/* Programs for labnote 4 */
/* Prepared by Sheng Luo */

DATA recid;
	SET "C:\Documents and Settings\Xianghua Luo\My Documents\courses\140.641\website\recid";
RUN;

proc lifereg data=recid;
   model week*arrest(0)=fin age race wexp mar paro prio
         / dist=lnormal;
run;
proc lifereg data=recid;
   model week*arrest(0)=fin age race wexp mar paro prio
         / dist=exponential;
run;
proc lifereg data=recid;
   model week*arrest(0)=fin age race wexp mar paro prio
         / dist=weibull;
run;

proc lifereg data=recid;
   model week*arrest(0)=fin age race wexp mar paro prio
         / dist=llogistic;
run;
/*Generalized gamma model*/
proc lifereg data=recid;
   model week*arrest(0)=fin age race wexp mar paro prio
         / dist=gamma;
run;