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std function

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Contributor
Posts: 61

std function

Hi,

 

I have a data as follows and want to create a separate file/ column ,calculating standard deviation of var1 by permno winid and month, any suggestions on how to go about it?

 

permnowiniddatemonthvar1
111-Jan-00Jan-00 
11….31jan00Jan-00 
122-Feb-00Feb-00 
12….28-feb00Feb-00 
231-Jan-00Jan-00 
23….31jan00Jan-00 
242-Feb-00Feb-00 
24….28-feb00Feb-00 
Regular Contributor
Posts: 161

Re: std function

proc univariate data=;

var var1;

by permno winid month;

output out=std std=std;

run;

 

?

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