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st: RE: calling variables

From   "David Harrison" <>
To   <>
Subject   st: RE: calling variables
Date   Fri, 11 Feb 2005 16:14:16 -0000

If the order of the variables in your dataset is not important, then you could reorder them so that var_1_0001-var_1_0102 does refer to the correct variables, with the command:

aorder var_1_????

Or indeed, if you want to do the same thing with var_2_yymm etc:

aorder var_?_????

Other methods are possible but complex (would not be a simple varlist).


-----Original Message-----
From: Hans J. Baumgartner []
Sent: 11 February 2005 15:58
Subject: st: calling variables

Dear statalist,

I’ve got data that is coded as follows:

var_1_yymm , var_2_yymm and so on.

If I would like to call the variables var_1 between January 2000 and 
February2001 I though I could use


Unfortunately, this is not calling the expected vars but those vars 
located in the dataset between var_1_0001 and var_1_0102.

How can I address the desired vars?

N.B. I’ll call the vars within a loop that shifts the time period 
forwards and backwards. Hence, I cannot call the vars individually.

All comments are welcomed.

Many thanks in advance.


Hans J. Baumgartner DIW Berlin
German Institute for Economic Research
Dept. Public Economics
Königin-Luise-Str. 5; 14195 Berlin; Germany
Tel.: +49/30/89789-307
Fax.: +49/30/89789-114

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