di in smcl "{p}{err}At least one of the packages was not able to be " ///
               "installed.  Try typing {cmd:spinst_itsp} again.  If that " ///
               "fails, look at the output of the error message above to " ///
               "diagnose the problem.  Perhaps you have an out-of-date " ///
               "version of the package already installed.  In that case, " ///
               "type {cmd:adoupdate} to update it."

    di in smcl "{p}{err}At least one of the packages was not able to be " ///
               "installed.  Try typing {cmd:spinst_itsp} again.  If that " ///
               "fails, look at the output of the error message above to " ///
               "diagnose the problem.  Perhaps you have an out-of-date " ///
               "version of the package already installed.  In that case, " ///
               "type {cmd:adoupdate} to update it."

matrix accum C = weight age iq, dev nocons

		eststo, add(eta_educ eta[1, 1] etase eta[2, 1])

histogram medagebrack, discrete frequency ///
lcolor(black) fcolor(gs15) addlabels ///
addlabopts(mlabposition(6)) xtitle(Upper limits of median age) ///
title(Northeast and North Central States: Median Age) 

		eststo, addscalars(eta_educ eta[1, 1] etase eta[2, 1] exper r(estimate) se r(se))

quietly by month: generate sumchange = adjchange if _n==_N & !missing(month)

type parrot.ado

!cp pctrange.100.ado pctrange.ado

!cp pctrange.101.ado pctrange.ado

!cp pctrange.102.ado pctrange.ado

!cp pctrange.103.ado pctrange.ado

!cp pctrange.104.ado pctrange.ado

!cp pctrange.105.ado pctrange.ado

!cp pctrange.106.ado pctrange.ado

!cp _gpct9010.100.ado _gpct9010.ado

!cp _gpct9010.101.ado _gpct9010.ado

!cp mynormal_lf.100.ado mynormal_lf.ado

!cp mynormal.100.ado mynormal.ado

type nlces.ado

type myregress.ado

!cp pctrange.106.ado pctrange.ado

!cp mynormal_lf.101.ado mynormal_lf.ado

!cp mynormal.101.ado mynormal.ado

type mynormal_lf_d0.ado

type meanvar.ado

type centervars.ado

type aggreg.ado

*/
type shufstr.ado

type aggreg2.ado

type mygmm2s.ado

cscript mygmm2s adofile mygmm2s

    di in smcl "{p}{err}At least one of the packages was not able to be " ///
               "installed.  Try typing {cmd:spinst_itsp} again.  If that " ///
               "fails, look at the output of the error message above to " ///
               "diagnose the problem.  Perhaps you have an out-of-date " ///
               "version of the package already installed.  In that case, " ///
               "type {cmd:adoupdate} to update it."

local inv5 "Age (Years)"

quietly regress weight age age2

matrix cov2 = V["age","age2"]

xi: regress bp i.agegrp*i.sex

type aggreg.mata

type aggreg2.ado

do aggreg2.mata

/*
program aggreg, rclass
	version 10.1
	syntax varlist(max=1 numeric) [if] [in], per(integer) [func(string)]
	marksample touse
	quietly count if `touse'
	if `r(N)' == 0 {
	        error 2000
	}
* validate per versus selected sample
	if `per' <= 0 | `per' >= `r(N)' {
		display as error "per must be > 0 and < N of observations."
		error 198
	}
	if mod(`r(N)',`per' != 0) {
		display as error "N of observations must be a multiple of per."
		error 198
	}
* validate func option; default is average (code A)
    local ops A S F L
    local opnames average sum first last
    if "`func'" == "" {
    	local op "A"
    }
    else {
    	local nop : list posof "`func'" in opnames
    	if !`nop' {
    		display as err "Error: func must be chosen from `opnames'"
    		error 198
    	}
    	local op : word `nop' of `ops'
    }
* validate the new varname
	local newvar = "`varlist'`op'`per'"
     quietly generate `newvar' = .
* pass the varname and newvarname to Mata
	mata: aggreg("`varlist'", "`newvar'",  `per', "`op'", "`touse'")
	end
*/
do aggreg.mata

collapse airavg=air, by(qtr)

list yq airavg in 1/16, sep(4) noobs

use airquality, clear

collapse (sum) airsum=air, by(qtr)

list yq airsum in 1/16, sep(4) noobs

clear all

	matrix allbeta = (nullmat(allbeta) \ beta`i')

	local allbut: list allcty - c

	local allcty "`allcty' gdp`c'"

    di in smcl "{p}{err}At least one of the packages was not able to be " ///
               "installed.  Try typing {cmd:spinst_itsp} again.  If that " ///
               "fails, look at the output of the error message above to " ///
               "diagnose the problem.  Perhaps you have an out-of-date " ///
               "version of the package already installed.  In that case, " ///
               "type {cmd:adoupdate} to update it."

* label var reg "Census region"
label data "1980 Census data for NE and NC states"

   display "Anxiety level `count': `a'"

foreach a of local anxlevel {

local anxlevel None Mild Moderate Severe 

local anxlevel None Mild Moderate Severe 

local anxlevel None Mild Moderate Severe 

generate anyschool = 0

drop anyschool

do appB.11.do

twoway rarea lo hi end, color(gs12) title("Sum of moving lag coefficients, approx. 95% CI") ///
||  tsline sum, legend(off) scheme(s2mono)

	esttab _all using lwage`y'.tex, replace ti("Wage equations for `y'") ///
	       nomtitles nodepvars not se noobs ar2 booktabs ///
	       scalar(eta_educ etase exper se) ///
	       addnotes("eta_educ: semi-elasticity of lwage with respect to educ" ///
	       "etase: standard error of the semi-elasticity" ///
	       "exper: effect of exper on lwage at mean exper") ///
	       substitute("_cons" "Constant" "eta_educ" "$\eta_{educ}$" ///
	       "etase" "$\eta_{se}$") 

display "There are `wds' anxiety levels:"

label variable urbanized "Population in urban areas, %"

display _newline "Datafile: `c(filename)' (N=`c(N)', k=`c(k)')  as of `c(filedate)'"

   di as smcl "{txt}Installation complete."

    di as smcl "{cmd}. net install `package', from(`from')

egen math4sat = cut(math4score), at(40.6 55.5 71.2)