p t2way5 module to perform Tukey's Two-Way Analysis by Medians p tab2way module to handle two-way tables with percentages p tab3way module to handle three-way tables with percentages p tab_chi modules for tabulation of multiple variables in Stata 8.2 or better p taba module for tabulation of frequencies p tabcond module to tabulate frequencies satisfying specified conditions p tabcount module to tabulate frequencies, with zeros explicit p tabexport module to export tables of summary statistics to text files p tabform module to export tables of means, standard deviations to text file p tabhbar module to show table of frequencies as horizontal bar chart p tabhplot module to show table of frequencies as horizontal plot p tablab module to autocrosstabulate a variable p tablecol module to add column percentages to table command p tablemat module to produce and export table of results in a matricial format p tablepc module for percent calculation prior to table p tableplot module giving graphical display in two-way table format p tabletutorial module to provide tutorial on automated table generation and reporting with Stata p tabm module to extend tabulate and produce XML format p tabmerge module to tabulate report on merge p tabmult module to produce multiple two-way tabulations p tabone module for exporting single or multiple one-way tabulations into various formats p tabout module to export publication quality cross-tabulations p tabplot module to show table of frequencies as table of bars p tabstatmat module to save matrices saved by tabstat to single named matrix p tabxml module to save results in XML format for use in Microsoft Excel and OpenOffice Calc p tarow module to tabulate each row against all others p tcod module to perform Gloudemans' COD tolerance tests p tddens module to estimate and graph bivariate density with heat map p texdoc module to create a LaTeX document including Stata output p texify module to compile a LaTeX document p texsave module to save a dataset in LaTeX format p textbarplot module to produce horizontal text and bar plot p texteditors module -- some notes on text editors for Stata users p textgph module to add strings of text to a graph p textpad module to call TextPad to edit a file p tgmixed module to perform Theil-Goldberger mixed estimation of regression equation p tgraph module to plot graph with transformed axes p theilr2 module to compute Theil R2 Multicollinearity Effect p title module to create a title for logfiles p tknz module to tokenize string into named macros p tmap module for simple thematic mapping p tmpdir module to indicate the directory Stata is using for a temporary directory p tobithetm module to estimate Tobit Multiplicative Heteroscedasticity Regression p tobitiv module to perform instrumental variables tobit p todate module to generate Stata date variables from run-together date variables p todummy module to create dummy variables p tolerance module to generate tolerance intervals from input data p tolower module to rename variables with lower case names p tomata module to make vectors in Mata of variables in Stata p tomode module to change values of a variable to mode(s) p torats module to facilitate transfer of data to RATS p torumm module to produce data in RUMM format p tosql module to transfer data to SQL database p touch module to create a blank data file p tpoisson module to estimate truncated Poisson regression p tpred module to generate predictions from Tobit model p tpvar module to generate turning-point variable for graphics labelling p tr module providing prefix command to trace program execution p traces module to display traces of items p transint help files for transformations p traveltime module to generate travel time and travel distance information p trellis module to create a trellis graph p trinary module containing extensions to generate to implement three-way logic p triplot module to generate triangular plots p triprobit module to estimate trivariate probit model using the GHK simulator p trnbin0 module to estimate zero-truncated negative binomial regression p trpois0 module to estimate zero-truncated Poisson regression models p truernd module to generate true random numbers p tryem module to run all possible subset regressions p tscollap module to compact timeseries into dataset of means, sums, end-of-period values p tsgraph module to produce time series line graph p tslist module to list time series data p tsmktim module to generate time-series calendar variable p tsplot module to produce a time series plot p tsspell module for identification of spells or runs in time series p ttestplus module to automate t-tests p ttesttable module to compute differences in means by groups including the T-test p tuples module for selecting all possible tuples from a list p turnbull module to estimate the Turnbull empirical distribution estimator of willingness to pay p twfe module to perform regressions with two-way fixed effects or match effects for large datasets p twoway_estfit module to enable graph twoway estfit p twoway_parea module to generate area graph with pattern fills (Windows only) p txtlabdef module to define value labels from ASCII (text) file