Chapter Outline 5.1 Simple Coding 5.2 Forward Difference Coding 5.3 Backward Difference Coding 5.4 Helmert Coding 5.5 Reverse Helmert Coding 5.6 Deviation Coding 5.7 Orthogonal Polynomial Coding 5.8 User-Defined Coding…
Read More

This is a draft version of this chapter.  Comments and suggestions to improve this draft are welcome. Chapter Outline    6.1. Analysis with 2 categorical variables     6.2. Simple effects        6.2.1…
Read More

Help file for the command postgr3 ——————————— Syntax —— postgr3 xvar, [ by(varname) sep(varname) x(vars-vals) asis(varlist) rest(value) predict(varname) generate(varname) connect(connect options) outcome(#) table table2 graph options ] postgr3 allows you…
Read More

Help file for the command postgr ——————————– Syntax —— postgr xvar, [ by(varname) sep(varname) x(vars-vals) asis(varlist) rest(value) predict(varname) generate(varname) connect(connect options) gropts(graph options) outcome(#) table table2 ] postgr allows you…
Read More

——————————————————————————- help for xi3 ——————————————————————————- Interaction expansion, enhanced Note: xi3 is not compatible with the following Stata commands: xtmixed, xtmelogit or xtmepoisson. Caution: xi3 should not be used with pweights,…
Read More

———————————————————————————————————— help for csgof ———————————————————————————————————— Chi-Square Goodness of Fit ————————– Syntax —— csgof variable [, expperc( expected percentages ) ] The csgof command performs a chi-square goodness of fit test….
Read More

——————————————————————————- help for do2htm ——————————————————————————- Make results of a .do file into an HTML file do2htm dofile [, replace title(string) input(string) result(string) bg(string{cmd:) ats ] Description do2htm runs your do…
Read More

help meansdplot ——————————————————————————————————————————————– Title meansdplot — Plot means and standard deviations for groups Syntax meansdplot depvar grpvar [if] [in] [, median outer(real) inner(real) noconnect noshade mlabel(marker_label) * ] options description…
Read More

milrtest —————————————————————————————————————- Syntax milrtest test_varlist May be used after using mim to estimate models using: regress, logit and ologit. by may not be used with milrtest. ————————————————————————————————————– Warning milrtest is…
Read More

overlay several graphs ———————– overlay , by(varlist) xlab(numlist) ylab(numlist) function(string) saving(filename) graph_options Description ———– This function draws several graphs in one area of the graphics window. As a result this…
Read More