tag:blogger.com,1999:blog-58089693009795700882012-01-24T12:55:55.091-08:00atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.comBlogger351100tag:blogger.com,1999:blog-5808969300979570088.post-14320772441174255202012-01-24T12:53:00.000-08:002012-01-24T12:55:55.105-08:00<a href="http://www.ats.ucla.edu/stat/stata/faq/default.htm">Stata</a> <ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/contrast12.htm">FAQ: Everything you always wanted to know about contrasts* (*But were afraid to ask)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-1432077244117425520?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-29050996545035932692011-12-07T12:30:00.001-08:002011-12-27T19:23:37.042-08:00<a href="http://www.ats.ucla.edu/stat/stata/faq/default.htm">Stata</a> <ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/xtmixed12.htm">FAQ: How can I do classical ANOVA designs using xtmixed? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/binary_cfa.htm">FAQ: How can I do CFA with binary variables?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/ml_mediation2.htm">FAQ: How can I perform mediation with multilevel data? (Method 2)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2905099654503593269?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-91336062973190367742011-11-16T11:28:00.001-08:002011-12-07T12:29:13.967-08:00<a href="http://www.ats.ucla.edu/stat/spss/faq/default.htm">SPSS</a> <ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/cell_mean_model.htm">FAQ: How can I test differences in means using a cell means model?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/faq/default.htm">Stata</a> <ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/diparm.htm">FAQ: How can I access the random effects after xtmixed using _diparm?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/sem_baseline.htm">FAQ: What are the saturated and baseline models in sem?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-9133606297319036774?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-58094281361184638662011-08-31T13:24:00.000-07:002011-09-07T13:28:55.047-07:00<a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><br /><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/threeway12.htm">FAQ: How can I understand a three-way interaction in ANOVA? (Stata 12) [revised]</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/stata12in11.htm">FAQ: How can I read Stata 12 data files in Stata 11?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/repeated_se.htm">FAQ: How can I test simple effects in repeated measures models? (Stata 12) [revised]</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/con3way12.htm">FAQ: How can I understand a 3-way continuous interaction? (Stata 12)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5809428136118463866?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-1643860892528654792011-08-01T13:05:00.001-07:002011-09-07T11:17:17.755-07:00<a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><br /><ul><li><a href="http://www.ats.ucla.edu/stat/stata/paperexamples/gregorich/default.htm">Paper Example: Do self-report instruments allow meaningful comparisons across diverse population groups? Testing measurement invariance using the confirmatory factor analysis framework by Steven E. Gregorich</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logitconcon12.htm">FAQ: How can I understand a continuous by continuous interaction in logistic regression? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/invariance.htm">FAQ: How can I check measurement invariance using the sem command? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logitcatcon12.htm">FAQ: How can I understand a categorical by continuous interaction in logistic regression? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logit2by212.htm">FAQ: How can I understand a categorical by categorical interaction in logistic regression? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_graph12.htm">FAQ: How can I graph the results of the margins command? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/catcon12.htm">FAQ: How can I understand a categorical by continuous interaction? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/conconb12.htm">FAQ: How can I understand a continuous by continuous interaction? (Stata 12)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/read_excel.htm">FAQ: How can I read Excel files in Stata? (Stata 12)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-164386089252865479?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-10982724760413375722011-07-11T13:10:00.000-07:002011-07-20T13:40:28.049-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><br /><ul></ul><div><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/testing_contrasts.htm">FAQ: How can I test contrasts in R?</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/code/looping_strings.htm">Code Fragment: How can I loop through a list of strings as variables in a model?</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/code/greek_letters.htm">Code Fragment: How can I include Greek letters in my plot?</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/gbe/ggplot_boxplot.htm">Graphics by Example: Box plots using ggplot2</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/code/ggplot2_errorbar.htm">Code Fragment: Overlaying errorbar on a jittered data points using ggplot2</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/reshape.htm">FAQ: How can I reshape my data in R?</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/collapse.htm">FAQ: How can I "collapse" my data in R?</a><br /></li></ul></div><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><br /><ul></ul><div><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/out_of_sample_prediction.htm">FAQ: How can I get out-of-sample predicted values?</a><br /></li><li><a href="http://statistics.ats.ucla.edu/stat/spss/code/looping_wo_scratch_vars.htm">Code Fragment: Looping without scratch variables in SPSS macros</a><br /></li><li><a href="http://statistics.ats.ucla.edu/stat/spss/code/coverting_dates_to_SPSS.htm">Code Fragment: Converting SAS or Stata dates to SPSS dates</a><br /></li></ul></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-1098272476041337572?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-61838648795269760972011-02-05T11:10:00.000-08:002011-02-21T08:18:55.065-08:00<a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><br /><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/factorialsim.htm">FAQ: How can I do power and robustness analyses for factorial anova? (Stata 11)</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><br /><ul></ul><div><ul><li><a href="http://statistics.ats.ucla.edu/stat/spss/faq/number_recip.htm">FAQ:&nbsp;How to create a variable that contains the number of reciprocal friends?</a><br /><br /></li></ul></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-6183864879526976097?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-56347385712113519712010-12-17T10:52:00.000-08:002010-12-17T10:55:47.255-08:00<a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/fungible/fungible2.htm">FAQ: How can I generate fungible regression weights?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5634738571211351971?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-2518912246654385812010-11-02T10:55:00.000-07:002010-11-24T11:58:35.065-08:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/dates.htm">FAQ: How does R handle date values?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/barplotplus.htm">FAQ: How can I add features or dimensions to my bar plot?</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/sas2pdf.htm">FAQ: How can I generate pdf and html files for my SAS output?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/spss/library/ggraph_examples.htm">Library: Making graphs with the ggraph command and GPL</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/nested.htm">FAQ: How can I analyze a nested model using xtmixed?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/anova_regression.htm">FAQ: Why don't my anova and regression results agree?</a></li><li><a href="http://www.ats.ucla.edu/stat/examples/methods_matter/default.htm">Textbook Example: Methods Matter by Richard J. Murnane and John B. Willett</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-251891224665438581?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-20525840524168475082010-10-06T14:19:00.000-07:002010-10-27T16:00:40.603-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/R/faq/concon.htm">FAQ: How can I explain a continuous by continuous interaction?</a></li><li><a href="http://www.ats.ucla.edu/stat/R/faq/packages.htm">FAQ: How can I manage R packages?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/xtmelogit_prob.htm">FAQ: How can I estimate probabilities with xtmelogit?</a></li><li>Program: <b>regvalidate</b> -- Postestimation command to perform validation using resampling (<b>findit regvalidate</b>).<br /></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2052584052416847508?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-60563370135717544072010-09-27T15:57:00.000-07:002010-09-27T15:57:24.230-07:00<a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/spss/notes_syntax/default_syntax.htm">Class Notes: Introduction to SPSS Version 17.0</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/stata/seminars/applied_svy_stata11/default.htm">Seminar: Applied Survey Data Analysis in Stata 11</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-6056337013571754407?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-14508892408534131042010-07-03T17:54:00.000-07:002010-07-28T17:00:55.616-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/missing.htm">FAQ: How does R handle missing values?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/renaming_vars_Python.htm">FAQ: How can I write a Python program to rename variables in SPSS?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-1450889240853413104?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-92207260763844524152010-06-04T12:27:00.000-07:002010-06-25T18:06:09.151-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/firstlast.htm">FAQ: How can I identify the first and last observations within a group in R?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/examples/mlm_ma_hox/chapter4.htm">Textbook Example: Multilevel Analysis Techniques and Applications by Joop Hox, Chapter 4</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/code/many_ttests.htm">Code Fragment: Many paired t-tests</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/reshape_pairs.htm">FAQ: How can I reshape pairs data long to wide?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/catcatcon.htm">FAQ: How can I use margins to understand a categorical by categorical by continuous 3-way interaction? (Stata 11)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-9220726076384452415?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-8029048832667996552010-05-05T10:42:00.000-07:002010-05-31T16:34:12.706-07:00<a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/overlay_density.htm">FAQ: How can I overlay density plots of different variables by group in SAS?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/ccsv_compare.html">FAQ: What are some of the differences between the compute, create and shift values commands?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/binary_mediation.htm">FAQ: How can I perform mediation with binary variables?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/code/twboxplot.htm">Code Fragment: Creating and extending boxplots using twoway graphs</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-802904883266799655?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-54390788372779684472010-04-01T11:36:00.000-07:002010-04-26T14:48:46.295-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/examples/mlm_ma_hox/chapter2.htm">Textbook Example: Multilevel Analysis by Joop Hox, Chapter 2</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/gmap.htm">FAQ: How can I generate a map in SAS using an external shape file?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/mediation_1med.htm">FAQ: How can I perform a Sobel test on a single mediation effect in SPSS?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/faq/mediation_complex.htm">FAQ: How can I analyze multiple mediators in SPSS?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/dyad_ids.htm">FAQ: How can I create dyad IDs?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5439078837277968447?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-52126416054247827992010-03-06T08:22:00.001-08:002010-03-29T09:36:58.310-07:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/type3.htm">FAQ: How can I get Type III tests of fixed effects in R?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/create.htm">FAQ: What kinds of new variables can I make with the create command?</a><br /><li><a href="http://www.ats.ucla.edu/stat/spss/code/group_nums.htm">Code Fragment: Numbering groups consecutively</a></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/mediation_cativ.htm">FAQ: How can I do mediation analysis with a categorical IV in Stata?</a><br /><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_interaction2.htm">FAQ: More of how can I use the margins command to understand multiple interactions in regression? (Stata 11)</a><br /></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5212641605424782799?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-44886837973348998302010-02-01T14:40:00.000-08:002010-03-06T08:19:55.413-08:00<a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/looping_parallel_lists.html">FAQ: How can I loop through two lists of variables?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/anovalator.htm">FAQ: How do I use the anovalator command? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/anovalator_simple.htm">FAQ: How can I do simple main effects using anovalator? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_main_effects.htm">FAQ: How can get anova main-effects with dummy coding using margins? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/factor_missing.htm">FAQ: How can I do factor analysis with missing data in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/searching.htm">FAQ: How do I document and search a Stata dataset?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-4488683797334899830?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-22422686051511953792010-01-05T14:04:00.000-08:002010-01-28T13:55:43.016-08:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/string_dates.htm">FAQ: How can I format a string containing a date into R "Date" object?</a></li><li><a href="http://www.ats.ucla.edu/stat/R/examples/mlm_ma_hox/chapter7.htm">Textbook Example: Multilevel Analysis Techniques and Applications by Joop Hox, Chapter 7</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/sas/faq/logistic_contrast.htm">FAQ: How can I create contrasts with proc logistic? </a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_3way.htm">FAQ: How can I use the margins command with a 3-way anova interaction? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_comparisons.htm">FAQ: How can I do anova contrasts using the margins command? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_nested1.htm">FAQ: Why doesn't the margins command work with a nested factor in anova? (Stata 11)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2242268605151195379?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-67393188771290552302009-12-03T11:14:00.000-08:002009-12-16T11:22:12.850-08:00<a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/deltamethod.htm">FAQ: How can I estimate the standard error of a transformed parameter in R using the delta method?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/code/svd_demos.htm">Code Fragment: Examples of using singular value decomposition in R</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/sas_adjust.htm">FAQ: How can I get "adjusted" predicted values from a logistic model in SAS?</a></li><li><a href = "http://statistics.ats.ucla.edu/stat/sas/faq/expand.htm">FAQ: Where can I find more functions to create new variables?</a></li><br /></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_interaction.htm">FAQ: How can I use the margins command to understand multiple interactions? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/no_m_eq_0.htm">FAQ: How can I use multiply imputed data where original data is not included?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_mlogcatcon.htm">FAQ: How can I use the margins command to understand multiple interactions in logistic regression? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/margins_mixed_anova.htm">FAQ: How can I get anova type results from xtmixed using the margins command? (Stata 11)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-6739318877129055230?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-43078049408870727292009-11-12T13:55:00.000-08:002009-11-18T13:29:05.640-08:00<a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/fixed_justified.htm">FAQ: How do I write a fixed-format file with right-justified values?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/mar_graph/margins_graph.htm">FAQ: How can I graph the results of the margins command?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-4307804940887072729?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-71536942424648505342009-10-05T10:35:00.000-07:002009-11-10T09:53:57.309-08:00<a href="http://www.ats.ucla.edu/stat/hlm/default.htm">HLM</a><ul><li><a href="http://www.ats.ucla.edu/stat/hlm/faq/batchmode.htm">FAQ: How can I run HLM in batch mode?</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/snplot.htm">FAQ: How can I manage and plot social network data?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/boot.htm">FAQ: How can I generate bootstrap statistics in R?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/code/sidak_holm.htm">Code Fragment: Šidák-Holm Adjusted p-values</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/gsample.htm">FAQ: How can I sample from a dataset with frequency weights?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/paperexamples/Kastellec_Leoni/default.htm">Paper Example: Using Graphs Instead of Tables in Political Science, by Kastellec and Leoni</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/sort_rows.htm">FAQ: How can I sort data within rows independently for each observation?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-7153694242464850534?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-36841799374517944482009-09-01T09:32:00.000-07:002009-09-28T11:47:02.292-07:00<a href="http://www.ats.ucla.edu/stat/mplus/default.htm">Mplus</a><ul><li><a href="http://www.ats.ucla.edu/stat/mplus/seminars/introMplus_part1/default.htm">Seminar: Introduction to Using Mplus 5 Part I</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/code/spf2_22.htm">Code Fragment: Split-plot Factorial</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/spss2mplus.htm">FAQ: How can I move my data from SPSS to Mplus?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/con3way11.htm">FAQ: Part 1: How can I understand a 3-way continuous interaction? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/con3wayb11.htm">FAQ: Part 2: How can I understand a 3-way continuous interaction? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/catcon11.htm">FAQ: How can I understand a categorical by continuous interaction? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logit2by211.htm">FAQ: How can I understand a categorical by categorical interaction in logistic regression? (Stata 11)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-3684179937451794448?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-25564404286548141182009-08-05T13:23:00.000-07:002009-08-27T16:00:09.772-07:00<a href="http://www.ats.ucla.edu/stat/mplus/default.htm">Mplus</a><ul><li><a href="http://www.ats.ucla.edu/stat/mplus/faq/two_group_path_model.htm">FAQ: Which coefficients in a two-group regression or path model does Mplus constrain across groups by default?</a></li><li><a href="http://www.ats.ucla.edu/stat/mplus/faq/two_group_measurement_model.htm">FAQ: Which coefficients in a two-group measurement model (CFA) does Mplus constrain across groups by default?</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/default.htm">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/variogram_lme.htm">FAQ: How do I fit a variogram model to my spatial data in R using regression commands?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/spatial_regression.htm">FAQ: How do I model a spatially autocorrelated outcome?</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href = "http://www.ats.ucla.edu/stat/sas/faq/spatial_reg.htm">FAQ: How do I model a spatially autocorrelated outcome?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/all_possible_pairs.htm">FAQ: How can I form all possible pairs in my dataset?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/code/id_within_panel.htm">Code Fragment: Generating id numbers within group or panel</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/simple_main_effects11.htm">FAQ: How can I get anova simple main effects revisited with Stata 11?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logitcatcon11.htm">FAQ: How can I understand a categorical by continuous interaction in logistic regression? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/automated_filenames.htm">FAQ: How can I generate automated filenames in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/e_sample.htm">FAQ: How can I identify cases used by an estimation command using e(sample)?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/mixed_ci.htm">FAQ: How is the 95% CI of the variance component in a mixed model calculated?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/main_effects.htm">FAQ: How can get anova main-effects with dummy coding?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/threeway11.htm">FAQ: How can I understand a three-way interaction in anova? (Stata 11)</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/xtanova.htm">FAQ: How can I get anova type III results using xtmixed?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/conconb11.htm">FAQ: How can I explain a continuous by continuous interaction? (Stata 11)</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2556440428654814118?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-50099599524127826562009-05-27T09:35:00.000-07:002009-06-30T14:10:48.306-07:00<a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/code/nlmixed_predict.htm">Code Fragment: Using the predict statement with nlmixed</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/zt_nlmixed.htm">FAQ: How can I do zero-truncated count models using nlmixed?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/simple_nlmixed.htm">FAQ: Simple linear and nonlinear models using nlmixed</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/repeat_covar.htm">FAQ: How can I do repeated measures anova with covariates in SPSS?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/code/simple_ml.htm">Code Fragment: Simple linear and nonlinear models using Stata's ml command</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/code/cfa_mata.htm">Code Fragment: CFA using Mata optimize</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/chi2power.htm">FAQ: How can I compute power for contingency tables in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/code/anova_retro_power.htm">Code Fragment: Retrospective power analysis for anova</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/e_sample.htm">FAQ: How can I identify cases used by an estimation command using e(sample)?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5009959952412782656?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-32780488542255269012009-05-11T09:20:00.000-07:002009-05-27T09:35:35.629-07:00<a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/default.htm">General</a><ul><li><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/curves.htm">FAQ: How do I interpret the sign of the quadratic term in a polynomial regression?</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/code/read_multiple.htm">Code Fragment: How can I read multiple files into R?</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/code/reg_table.htm">Code Fragment: Summary table for multiple regression models</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/results_to_excel.htm">FAQ: How can I export my SAS results to an Excel spreadsheet?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/sas2excel_dde.htm">FAQ: How can I send SAS data/results to specific cells in an Excel spreadsheet?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/path_analysis.htm">FAQ: How can I do path analysis in SAS?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/code/logit_table.htm">Code Fragment: Summary table for logistic regression models</a></li><li><a href="http://statistics.ats.ucla.edu/stat/sas/faq/zero_cell_freq.htm">FAQ: How can I include cells with zero counts in proc freq with the list option?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/">SPSS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/spss/faq/dates_strings.htm">FAQ: How can I convert string variables data into date variables?</a></li><li><a href="http://statistics.ats.ucla.edu/stat/spss/code/looping_with_dates.htm">Code Fragment: Looping with dates</a></li><li><a href="http://statistics.ats.ucla.edu/stat/spss/faq/codebook.htm">FAQ: How can SPSS help me document my data?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/stata/">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/ml2mixed.htm">FAQ: How can I convert a multilevel model to a mixed model?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/returned_results.htm">FAQ: How can I access information stored after I run a command in Stata (returned results)?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/chi2_power.htm">FAQ: How can I graph chi-square power curves in Stata?</a></li><li><a href="http://statistics.ats.ucla.edu/stat/stata/code/sureg.htm">Code Fragment: Fitting a seemingly unrelated regression (sureg) manually</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/doublewide.htm">FAQ: How can I reshape doubly (or triply) wide data to long?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/hetero_resid_var.htm">FAQ: How can I fit a random intercept or mixed effects model with heteroskedastic errors?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-3278048854225526901?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com1tag:blogger.com,1999:blog-5808969300979570088.post-81947311796562991372009-04-16T10:54:00.000-07:002009-05-01T17:10:08.436-07:00<a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/sas/code/random_effect_tobit.htm">Code fragment: Random effect Tobit model in nlmixed</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/bootstrap.htm">FAQ: How can I bootstrap estimates in SAS?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/stata/">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logit2by2.htm">FAQ: How can I understand a categorical-by-categorical interaction in logistic regression?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/logitcatcon.htm">FAQ: How can I understand a categorical-by-continuous interaction in logistic regression?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/code/reading_binary_data.htm">FAQ: How can I read binary data in Stata?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/spss/">SPSS</a><ul><li><a href="http://statistics.ats.ucla.edu/stat/spss/faq/glm_hypothesis_testing.htm">FAQ: How can I perform hypothesis tests in glm?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/library/dates.htm">Library: Inputting and manipulating dates in SPSS?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-8194731179656299137?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-80052995433320289352009-03-03T14:09:00.000-08:002009-04-30T10:46:27.713-07:00<a href="http://www.ats.ucla.edu/stat/">General</a><ul><li><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/kurtosis.htm">Frequently Asked Question: What's with the different formulas for kurtosis?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/r/">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/venn.htm">Frequently Asked Question: How can I generate a Venn diagram in R?</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/"></a><a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/examples/alda/chapter2/aldasasch2_v92.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 2 (Using 9.2)</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/examples/alda/chapter3/aldasasch3_v92.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 3 (Using 9.2)</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/examples/alda/chapter4/aldasasch4_v92.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 4 (Using 9.2)</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/examples/alda/chapter5/aldasasch5_v92.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 5 (Using 9.2)</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/examples/alda/chapter6/aldasasch6_v92.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 6 (Using 9.2)</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/write_fixedformat.htm">Frequently Asked Questions: How do I write out a fixed-format file in SAS?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/mulmediation.htm">Frequently Asked Question: How can I analyze multiple mediators in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/modmed.htm">Frequently Asked Question: How can I do moderated mediation in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/regeffectsize.htm">Frequently Asked Question: How can I compute effect size for regression in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/rregr2.htm">Frequently Asked Question: How can I get an R-squared with robust regression in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/xtline.htm">Frequently Asked Question: How can I use xtline in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/somersdlogit.htm">Frequently Asked Question: How can I get a Somers' D after logistic regression in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/allpairs_faq.htm">Frequently Asked Question: How can I create all pairs within groups in Stata?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/code/automated_filenames.htm">Stata Code Fragment: How can I generate automated filenames in Stata?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-8005299543332028935?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-3763953204742792142008-11-05T16:30:00.000-08:002008-11-19T16:38:58.061-08:00<a href="http://www.ats.ucla.edu/stat/r/">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/faq/morans_i.htm">Frequently Asked Question: How can I calculate Moran's I?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/mantel_test.htm">Frequently Asked Question: How can I perform a Mantel test?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/variogram.htm">Frequently Asked Question: How can I generate a variogram?</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/morans_i.htm">Frequently Asked Question: How can I calculate Moran's I?</a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/morans_i.htm">Frequently Asked Question: How can I calculate Moran's I?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/variog2.htm">Frequently Asked Question: How can I generate a variogram for spatial data?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-376395320474279214?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-67812295731917545152008-10-03T09:57:00.000-07:002008-10-31T09:34:16.659-07:00<a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/dae/negbinreg.htm">Data Analysis Example: Negative Binomial Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/dae/zipreg.htm">Data Analysis Example: Zero-Inflated Poisson Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/dae/zinbreg.htm">Data Analysis Example: Zero-Inflated Negative Binomial Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/output/sas_zip.htm">Annotated Output: Zero-Inflated Poisson Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/output/sas_zinbreg.htm">Annotated Output: Zero-Inflated Negative Binomial Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/macros/corr2data_demo.htm"> Macros: Generate a dataset with a given correlation/covariance structure</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/seminars/whatsnew92/default.htm"> Seminar: What's new in SAS 9.2</a></li><li><a href="http://statistics.ats.ucla.edu/stat/sas/icu/custom_win_92.htm"> Customizing SAS 9.2</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-6781229573191754515?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-79747611620595002992008-09-02T15:46:00.001-07:002008-09-16T11:40:19.817-07:00<a href="http://www.ats.ucla.edu/stat/r/">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/R/dae/zipoisson.htm">Data Analysis Example: Zero-Inflated Poisson Regression</a></li><li><a href="http://www.ats.ucla.edu/stat/R/dae/zinbreg.htm">Data Analysis Example: Zero-Inflated Negative Binomial Regression</a><a href="http://www.ats.ucla.edu/stat/r/"></a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/write_binary_bycolumn.htm">FAQ: How can I write a binary data file by column?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/tsvars.htm">FAQ: How can I create lag and lead variables in longitudinal data?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-7974761162059500299?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-70429858959273705482008-08-04T14:57:00.000-07:002008-08-28T16:39:49.514-07:00G*Power<ul><li><a href="http://www.ats.ucla.edu/stat/gpower/anova.htm">Data Analysis Example: One-way ANOVA Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/gpower/multreg.htm">Data Analysis Example: Multiple Regression Power Analysis</a></li></ul><a href="http://www.ats.ucla.edu/stat/r/">R</a><ul><li><a href="http://www.ats.ucla.edu/stat/r/code/simulating_network.htm">Code Fragment: How can I simulate a network in R?</a></li></ul>Sample Power<ul><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/anova.htm">Data Analysis Example: One-way ANOVA Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/1sampttest.htm">Data Analysis Example: Single-Sample T-Test Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/pairedttest.htm">Data Analysis Example: Paired T-test Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/indepsamp.htm">Data Analysis Example: Independent-Sample T-test Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/2propor.htm">Data Analysis Example: Two Independent Proportions Power Analysis</a></li><li><a href="http://www.ats.ucla.edu/stat/Sample_Power/multreg.htm">Data Analysis Example: Multiple Regression Power Analysis</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/transreg_given_knots.htm">FAQ: Given a knot location, how can I fit a piecewise model using Proc Transreg?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/enumerate_id.htm">FAQ: How can I recode my ID variable to be short and numeric?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/oratio.htm">FAQ: How do I interpret odds ratios in logistic regression?</a><br /></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/oratio.htm">FAQ: How do I interpret odds ratios in logistic regression?<br /></a></li></ul><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/nl_optimal_knots.htm">FAQ: How can I find where to split a piecewise regression?</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-7042985895927370548?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-29850584603842956612008-07-10T12:10:00.000-07:002008-08-04T10:42:32.111-07:00<a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/default.htm">General</a><ul><li><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/coefficient_of_variation.htm">FAQ: What is the coefficient of variation?</a></li><li><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/odds_ratio.htm">FAQ: How do I interpret odds ratios in logistic regression?</a></li><li><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/log_transformed_regression.htm">FAQ: How do I interpret a regression model when some variables are log transformed?</a></li></ul><br />G*Power<ul><li><a href="http://www.ats.ucla.edu/stat/gpower/pairedsample.htm">Data Analysis Example: Power analysis for paired sample t-test</a></li><li><a href="http://www.ats.ucla.edu/stat/gpower/one_sample.htm">Data Analysis Example: Power analysis for one -sample t-test</a></li><li><a href="http://www.ats.ucla.edu/stat/gpower/indepsamps.htm">Data Analysis Example: Power analysis for two-group independent sample t-test</a></li><li><a href="http://www.ats.ucla.edu/stat/gpower/indeppropor1.htm">Data Analysis Example: Two independent proportions power analysis</a></li></ul><a href="http://www.ats.ucla.edu/stat/sas/default.htm">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/transreg_pspline_default.htm">FAQ: When using Proc Transreg, what are the defaults with pspline?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/transreg_spline_default.htm">FAQ: When using Proc Transreg, what are the defaults with spline?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/transreg_bspline_default.htm">FAQ: When using Proc Transreg, what are the defaults with bspline?</a></li><li><a href="http://www.ats.ucla.edu/stat/sas/faq/nlin_optimal_knots.htm">FAQ: How can I use find where to split a piecewise regression?</a></li></ul><a href="http://www.ats.ucla.edu/stat/spss/default.htm">SPSS</a><ul><li><a href="http://www.ats.ucla.edu/stat/spss/faq/threeway_hand.htm">FAQ: How can I explain a three-way interaction in ANOVA?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/faq/three_way_lmatrix.htm">FAQ: How can I use the lmatrix subcommand to understand a three-way interaction in ANOVA?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/faq/threeway_oms.htm">FAQ: How can I use aggregate and OMS to help explain a three-way interaction in ANOVA?</a></li><li><a href="http://www.ats.ucla.edu/stat/spss/code/renaming_variables_dynamically.htm">Code Fragment: Renaming variables dynamically</a></li><li><a href = "http://www.ats.ucla.edu/stat/spss/faq/piecewise.htm">FAQ: How can I run a piecewise regression in SPSS?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/stata/default.htm">Stata</a><ul><li><a href="http://www.ats.ucla.edu/stat/stata/code/mlogit_pred_prob.htm">Code Fragment: Manually generate predicted probabilities from a multinomial logistic regression in Stata</a></li><li><a href="http://statistics.ats.ucla.edu/stat/stata/code/graph_interaction_dummy_by_continuous.htm">Code Fragment: Graphing predicted probabilities with an interaction of a binary variable and a continuous variable</a></li></ul><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2985058460384295661?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-52355371811784299972008-05-05T13:44:00.000-07:002008-05-30T09:48:15.997-07:00<a href="http://www.ats.ucla.edu/stat/mplus/">Mplus</a><ul><li><span style="font-weight: 400;" lang="EN"><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/mplus/seminars/whatsnew_in_mplus5_1/default.htm">New Methods for Latent Variable Modeling in Mplus</a><i> by Professor Muthen, with movies</i></span></span></li><li><a href="http://www.ats.ucla.edu/stat/mplus/seminars/wls_cat/default.htm">Two-Level Weighted Least Squares Analysis with Categorical Outcomes</a><i> by Professor Muthen, with movies</i></li></ul><a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><span style="font-weight: 400;" lang="EN"><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/sas/faq/SAS_variogram_mixed.htm">SAS FAQ: How do I fit a variogram model to my spatial data in SAS using Proc Mixed?</a></span></span></li><li><span style="font-weight: 400;" lang="EN"><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/sas/faq/SAS_kriging.htm">SAS FAQ: How can I perform spatial Kriging in SAS?</a></span></span></li></ul><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/">Stata</a><br /></span><ul><li><a href="http://www.ats.ucla.edu/stat/stata/faq/con3way.htm">Stata FAQ: How can I explain a 3-way continuous interaction?</a></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/concon.htm">Stata FAQ: How can I explain a continuous by continuous interaction?</a><br /></li><li><a href="http://www.ats.ucla.edu/stat/stata/faq/catcon.htm">Stata FAQ: How can I explain a categorical by continuous interaction?</a></li></ul><br /><span style="font-size:100%;"><br /><a href="http://www.ats.ucla.edu/stat/books/">New Collection to our Stat Books for Loan</a><br /><br /></span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-5235537181178429997?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-20967908154771998182008-04-01T14:02:00.000-07:002008-04-30T11:38:12.340-07:00<a style="color: rgb(51, 51, 255);" href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/default.htm">General</a><br /><ul><li style="color: rgb(51, 51, 255);"><a href="http://www.ats.ucla.edu/stat/mult_pkg/faq/general/tail_tests.htm">General FAQ: What are the differences between one-tailed and two-tailed tests?</a></li><br /></ul><a style="color: rgb(51, 51, 255);" href="http://www.ats.ucla.edu/stat/sas">SAS</a><br /><ul><li style="color: rgb(51, 51, 255);"><a href="http://www.ats.ucla.edu/stat/sas/faq/SAS_variogram.htm">SAS FAQ: How do I generate a variogram for spatial data in SAS?</a></li><br /><li style="color: rgb(51, 51, 255);"><a href="http://www.ats.ucla.edu/stat/sas/faq/SAS_variogram_fit.htm">SAS FAQ: How do I fit a variogram model to my spatial data in SAS?</a></li><br /></ul><br /><a href="http://www.ats.ucla.edu/stat/Stata">Stata</a><br /><ul><li>Stata FAQ: <a href="http://www.ats.ucla.edu/stat/stata/faq/threeway.htm">How can I explain a three-way interaction in anova?</a></li><p></p><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/asa2/chap2.htm">Textbook Example: Applied Survival Analysis Chapter 2</a></span></li><br /><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata3.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 3: Diagnostic and Remedial Measures</a></span> </li><br /><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata22.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 22: Two Factor Studies-Unequal Sample Sizes and Unequal Treatment Importance</a> </span></li><br /><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata23.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 23: Multi-Factor Studies</a> </span></li><br /><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata24.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 24: Random and Mixed-Effect Models </a></span> </li><br /><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata25.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 25: Analysis of Covariance</a></span></li><br /></ul><br /><a href="http://www.ats.ucla.edu/stat/books/">New Addition to our Stat Books for Loan</a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-2096790815477199818?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0tag:blogger.com,1999:blog-5808969300979570088.post-69446983801507147472008-03-19T17:45:00.000-07:002008-04-06T14:42:22.633-07:00<a href="http://www.ats.ucla.edu/stat/r/">R</a><br /><ul><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/r/gbe/default.htm">Graphics by Examples</a></span></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/angled_labels.htm">FAQ: How can I change the angle of the value labels on my axes?</a><span style="font-weight: bold;"></span></li><li><span style="font-weight: bold;"></span><a href="http://www.ats.ucla.edu/stat/r/faq/read_binary.htm">FAQ: How can I read binary data into R?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/faq/write_binary.htm">FAQ: How can I write a binary data file in R?</a></li><li><a href="http://www.ats.ucla.edu/stat/r/examples/alda/ch13.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 13<br /></a></li><li><a href="http://www.ats.ucla.edu/stat/r/examples/alda/ch14.htm">Textbook Example: Applied Longitudinal Data Analysis, Chapter 14</a><br /></li></ul> <a href="http://www.ats.ucla.edu/stat/sas/">SAS</a><ul><li><a href="http://www.ats.ucla.edu/stat/sas/faq/proc_logistic_coding.htm">FAQ: In PROC LOGISTIC why aren't the coefficients consistent with the odds ratios?</a></li></ul><br /><a href="http://www.ats.ucla.edu/stat/Stata">Stata</a><br /><ul><li><span style="font-size:100%;"><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata17.htm">Textbook Examples: Applied Linear Statistical Models by Neter, Kutner, et. al. Chapter 17: Analysis of Factor Level Effects</a></span></li><li><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata18.htm">Textbook Examples<span style="font-weight: bold;">: </span>Applied Linear Statistical Models by Neter, Kutner, et. al.<span style="font-weight: bold;"> </span>Chapter 18: ANOVA Diagnostics and Remedial Measures</a><span style="font-weight: bold;"> </span></li><li><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata19.htm">Textbook Examples<span style="font-weight: bold;">: </span>Applied Linear Statistical Models by Neter, Kutner, et. al.<span style="font-weight: bold;"> </span>Chapter 19: Two-factor Analysis of Variance-Equal Sample Sizes</a><span style="font-weight: bold;"></span></li><li><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata20.htm">Textbook Examples<span style="font-weight: bold;">: </span>Applied Linear Statistical Models by Neter, Kutner, et. al.<span style="font-weight: bold;"> </span>Chapter 20: Analysis of Factor Effects in Two-Factor Studies-Equal Sample Sizes</a><span style="font-weight: bold;"></span></li><li><span style="font-weight: bold;"></span><a href="http://www.ats.ucla.edu/stat/stata/examples/alsm/alsmstata21.htm">Textbook Examples<span style="font-weight: bold;">: </span>Applied Linear Statistical Models by Neter, Kutner, et. al.<span style="font-weight: bold;"> </span>Chapter 21: Two-Factor Studies--One Case Per Treatment</a></li></ul><span style="font-size:100%;"><br /></span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5808969300979570088-6944698380150714747?l=atsstat-news.blogspot.com' alt='' /></div>atsstathttp://www.blogger.com/profile/17713258209442077999noreply@blogger.com0