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st: using foreach and encode together


From   Tim Evans <Tim.Evans@wmciu.nhs.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: using foreach and encode together
Date   Thu, 7 Jun 2012 09:57:08 +0100

Hi all,

I'm trying to encode a number of string variables and generate new variables which contain the string values as labels. I have a number of these variables and am trying to avoid doing each manually, however, I am encountering some problems with the syntax. A quick google search has not yielded any answers for me. I'm using Stata 11.2.

Here is my code:

foreach var of varlist  IntegrT_Stage_Algo Nodes_Positive IntegrTNM_Stage_Algo_No_assumpti InvStatus {
 encode `var', gen(v2`var')
 }

this is my error message:

option gen() incorrectly specified
r(198);

I guess what I would also like once I have generated the new variable, to drop the string version - perhaps I can add -drop `var'- after the -encode- line?

Any help gratefully received.

Best wishes

Tim
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