capture log close
log using wf3-subsample, replace text

//  program:    wf3-subsample.do \ for stata 9
//  task:       debugging with a small sample
//  project:    workflow - chapter 3
//  author:     scott long \ 2008-10-24

//  #0
//  setup

version 9.2
set linesize 80
clear // changed to clear all in stata 10
macro drop _all

//  #1
//  load data

use wf-lfp, clear

//  #2
//  create a small random sample

set seed 11020
generate isin = (uniform()>.8) // changed go runiform in stata 10
label var isin "1 if in random sample (seed 11020)"
label def isin 0 0_NoIn 1 1_InSample
label val isin isin
keep if isin
tabulate isin, missing

//  #3
//  save the subsample

label data "20% subsample of wf-lfp."
note: wf3-subsample.do jsl 2008-10-24.
save x-wf3-subsample, replace

//  #4
//  try command using subsample

logit  lfp k5 k618 age wc hc lwg inc

log close
exit

2008-10-24 \ initial version for wf09-part#.pkg