p p_vlists module to parse multiple varlists p pairplot module for plots of paired observations p pantest2 module to perform diagnostic tests in fixed effects panel regressions p paran module to compute Horn's test of principal components/factors p parmest module to create new data set with one observation per parameter of most recent model p partgam module to calculate partial gamma coefficient p pbeta module to generate probability plot for data compared with fitted beta distribution p pexp module to produce probability plot for data compared with fitted exponential distribution p pgamma module to generate probability plot for data vs fitted gamma distribution p poisml module to estimate maximum likelihood Poisson regression models p povdeco module to calculate poverty indices with decomposition by subgroup p poverty module to calculate poverty measures p powercal module to perform general power and sample size calculations p predcalc module to calculate out-of-sample predictions for regression, logistic p predxcat module to calculate predicted means, medians, or proportions for nominal X's p predxcon module to calculate predicted means, medians, or proportions for a continuous X variable p printgph module to execute command for each matching file p probexog-tobexog modules to test exogeneity in probit/tobit p probitiv module to perform instrumental variables probit p psbayes module to perform pseudo-Bayes smoothing of cell estimates p ptrend module for trend analysis for proportions p pwcorrs module for enhanced correlation matrix p pwcorrw module to print wide correlation matrix with significance indicators p pweibull module to generate probability plot for data vs fitted Weibull distribution p pwploti module to plot power curve for sample size and power calculation p pyramid tutorial for population pyramids p parmest module to create new data set with one observation per parameter of most recent model p parplot module for parallel coordinates plots p pcontract module to make a data set of frequencies and percentages p predxcat module to calculate predicted means, medians, or proportions for nominal X's p predxcon module to calculate predicted means, medians, or proportions for a continuous X variable p psmatch2 module to perform full Mahalanobis and propensity score matching, common support graphing, and covariate imbalance testing p pairplot module for plots of paired observations p panelauto module to support tests for autocorrelation on panel data p panelunit module to support unit root tests on panel data p pbeta module to generate probability plot for data compared with fitted beta distribution p pcorr2 module to display partial and semipartial correlation coefficients p pexp module to produce probability plot for data compared with fitted exponential distribution p pgamma module to generate probability plot for data vs fitted gamma distribution p powercal module to perform general power and sample size calculations p psmatch2 module to perform full Mahalanobis and propensity score matching, common support graphing, and covariate imbalance testing p pweibull module to generate probability plot for data vs fitted Weibull distribution