*! version 1.5.0 17Aug2011 MLB program define hangr_normal, rclass version 9.2 syntax varname [if] [fweight] , /// x(string) nobs(real) nbins(real) w(real) min(real) max(real) theor(string) /// [ par(numlist) suspended XXfit(integer 0) withx(integer 0) xwx(varname) grden(string) ] if "`suspended'" != "" local minus "-" if "`weight'" != "" local wght "[`weight'`exp']" marksample touse if "`par'" == "" { if `xxfit' & `withx' == 0 { local m = _b[_cons] local sd = `e(rmse)' qui gen `theor' = sqrt(normalden(`x', `m', `sd')*`nobs'*`w') local grden "normalden(x, `m', `sd')" return local gr "function y = `minus'sqrt(`nobs'*`w'*(`grden')), range(`min' `max')" return scalar a = `m' return scalar b = `sd' } else if `xxfit' { tempvar m partden tempname sd qui predict double `m' if `touse', xb scalar `sd' = `e(rmse)' qui gen `partden' = . qui gen `grden' = . qui count if `xwx' < . forvalues i = 1/`r(N)' { qui replace `partden' = normalden(`xwx'[`i'],`m',`sd') if `touse' sum `partden' if `touse' `wght', meanonly qui replace `grden' = r(mean) in `i' } qui gen `theor' = sqrt(`nobs'*`w'*(`grden')) qui replace `grden' = `minus'`theor' return local gr "line `grden' `xwx', sort" } else { qui sum `varlist' if `touse' `wght' local sd = r(sd) local m = r(mean) qui gen `theor' = sqrt(normalden(`x', `m', `sd')*`nobs'*`w') local grden "normalden(x, `m', `sd')" return local gr "function y = `minus'sqrt(`nobs'*`w'*(`grden')), range(`min' `max')" return scalar a = `m' return scalar b = `sd' } } else { local m : word 1 of `par' local sd : word 2 of `par' qui gen `theor' = sqrt(normalden(`x', `m', `sd')*`nobs'*`w') local grden "normalden(x, `m', `sd')" return local gr "function y = `minus'sqrt(`nobs'*`w'*(`grden')), range(`min' `max')" return scalar a = `m' return scalar b = `sd' } end