program define metapow_ploteg1 version 11.2 preserve use http://fmwww.bc.edu/repec/bocode/m/metapow_eg1 set seed 8226111 metapowplot nrxpain rxmeanpain rxsdpain ncomppain compmeanpain compsdpain, nit(100) type(clinical) measure(nostandard) model(random) pow(-20) inference(lci) start(50) stop(550) step(100) graph(lowess) restore end