Table 7.1, page 232. Part 1: on variable lwt. use lowbwt11, clear clogit low lwt, group(pair) (Intermediate results omitted) Conditional (fixed-effects) logistic regression Number of obs = 112 LR chi2(1)…
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Table 8.2, page 266. use mammog.dta, clear (Hosmer and Lemeshow – modified from appendix 6) tab2 me hist -> tabulation of me by hist | hist me | 0 1…
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This page describes Stata programs developed by the UCLA ATS Statistical Consulting Group for data analysis.  You can download any of these programs from within Stata using the search command. …
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Using postgr3 with multiple regression, no interactions Using postgr3 with multiple regression, with interactions More on options when using postgr3 postgr3 with other estimation models This page will illustrate the…
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Post-hoc pairwise comparisons are commonly performed after significant effects when there are three or more levels of a factor. Stata has three built-in pairwise methods (sidak, bonferroni and scheffe) in…
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Parallel coordinate plots are another way of looking a data. They enable researchers to view multiple variables simultaneously. There are two commands used to produce parallel coordinate plots, parcoord and…
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The simpower ado does a Monte Carlo power simulation of one-way anova designs. Here is how you can download the commands from ATS. You can download the simpower command by…
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Help file for the command stata2mlwin ————————————- Syntax —— stata2mlwin using <stata data file> , [ replace clear nocons missing() ] Options ——- replace – Use to replace the existing…
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Help file for the command stata2mplus ————————————- Syntax —— stata2mplus [varlist] using <name for mplus file> , [ replace missing(#) use(varlist) ] Options ——- varlist – Variables to be converted…
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Weighted least squares provides one method for dealing with heteroscedasticity. The wls0 command can be used to compute various WLS solutions. You can download wls0 over the internet by typing…
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