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).
David
[email protected]
-----Original Message-----
From: Hans J. Baumgartner [mailto:[email protected]]
Sent: 11 February 2005 15:58
To: [email protected]
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
var_1_0001-var_1_0102
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
--
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
http://www.diw.de
http://www.hansbaumgartner.de
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