Variable

honeyblue — Tue, 21 Jul 2020 20:58:39 GMT

I have 25 observations i want to assign 1 to a variable for 1 - 12 observations and assign 2 to the same variable for 13-25 observations

Re: Variable

ballardw — Tue, 21 Jul 2020 21:17:59 GMT

by order or randomly?

If you mean by order, the first 12 records are to be one then:

data want;
   set have;
   if _n_ le 12 then variable=1;
   else variable=2;
run;

_n_ is a SAS automatic variable that counts iterations of a data step. In a simple use like this it is basically the row number.