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st: Variable patterns and observed frequencies


From   Thomas Mählmann <maehlmann@wiso.uni-koeln.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Variable patterns and observed frequencies
Date   Sun, 9 Oct 2005 18:05:33 +0200

Dear Statalisters,

I am looking for an elegant way of producing an indexed frequency table. In
particular,
I have observations on three variables:

ID	var1 var2 var3
1	 1	2	1
2	 2	3	1
3	 5	4	5
4	 6	6	6
...

And I would like to produce a table showing only different patterns and
there observed frequencies, ie.

		    var1   var2  var3  frequency
First pattern 	1	1	1	  54
Second pattern	1	1	2	  43
....

Using -egen group- generates only the observed frequencies, but how to
display only the distinct patterns?

Any suggestions?

Best wishes,
Thomas



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