Displaying 1 result from an estimated 1 matches for "22autonumber".
2009 Feb 23
1
"autonumber" for grouping variable
...k like this:
Id sex byear age Number
1 300 m 2003 50 1
2 300 m 2003 36 1
3 402 f 2003 29 2
4 402 f 2003 21 2
5 402 f 2003 64 2
6 150 m 2005 43 3
...
...
how can I easily do this?
thanks a lot for any help,
Birte
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