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honeyblue
Calcite | Level 5

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

1 ACCEPTED SOLUTION

Accepted Solutions
ballardw
Super User

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.

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1 REPLY 1
ballardw
Super User

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.

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