//
//maximum number of records resavation variable
//
//this variable is used to maximum number of records.

//Example1 draw effient curve by LAST variable.
//Read DM ancate data which has react flag 'good' or 'no'. 
get dmdat500R.csv@;

//Digitizing recall flag for logit regression.
if(def == "good") {
  flag=1;
}
else {
  flag=0;
}

//Execute logit regression.
logit flag by income dm1-5 area amount old homespan workspan;


//Get flag and pd from logit output and sort descending pd.
get freq@ana;
select flag pd;
sort -pd;




//accume flag for catching number acording to descent pd.
accume flags;
flags=flag;




//Calcurete record composite rate and catching rate.
countRate = #/LAST;
catchRate = flags/60; 




//Plot efficent curve.
plot line catchRate by countRate;