Is there a way to just get the quartiles table using Proc lifetest.   I want to extract the median ( and mean) survival time from proc lifetest.   When I use the code -   proc lifetest data=graph2 ; time time*status(0); strata drg_class_detail; run; It gives me the Product limit survival estimates as well -   The LIFETEST Procedure Stratum 1: drg_class_detail = BIGUANIDES Product-Limit Survival Estimates Survival Standard Number Number time Survival Failure Error Failed Left 0.00 1.0000 0 0 0 75699 0.00 . . . 1 75698 0.00 . . . 2 75697 0.00 . . . 3 75696 0.00 . . . 4 75695 0.00 . . . 5 75694 0.00 . . . 6 75693 0.00 . . . 7 75692 0.00 . . . 8 75691 Since I have a lo of data and a lot of categories the result is very big in size.   Is there a way to just get the median and mean survival times? ... View more

I want to filter rows which end with July , august and September and i want to use proc sql to do that. proc sql; create table l as select label from a6.labels where label like "%July" ; quit; This code works for filtering out rows ending with july  (however i do get an error -WARNING: Apparent invocation of macro JULY not resolved.) how do i get rows ending with august and spetember as well in one dataset? where label like "%July" and "%August" this doesnt work    ... View more