I'll answer this myself:
1. Don't do that. Use -egen, group()- with the -label- option.
2. See also
FAQ . . . . . . . . . . . . . . . . . . . . . . Creating group identifiers
3/01 How do I create individual identifiers numbered
from 1 upwards?
http://www.stata.com/support/faqs/data/group.html
3. If you really must, look into -egen, concat()-, including
its options.
Nick
[email protected]
N�dia N. Sim�es
>
> How can I generate an identifier from three variables?
> In my data I have a column for the house, one for the family
> and one for the individual
>
> example:
>
> house family individual
> 1 1 1
> 1 1 2
> 1 1 3
> 2 1 1
> 2 1 2
> ...
>
> and I would like to know how can I create an identifier per
> individual such as:
>
> individual
> 010101
> 010102
> 010103
> 020101
> ...
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
