divorce.sas

filename divorce 'divorce.txt';
data divorce;
  infile divorce;
  input id heduc heblack mixed status time;
run;

proc lifetest data=divorce plots=s graphics;
  time time * status(0);
run;

proc lifetest data=divorce plots=s graphics;
  time time * status(0);
  strata mixed;
run;

ods graphics on;
ods trace on;
proc phreg data=divorce plots(overlay)=survival;
  class heduc heblack mixed;
  model time * status(0) = heduc heblack mixed;
  /*strata heduc;*/
  output out=propcheck ressch=schres;
run;
ods trace off;
ods graphics off;