See the -egen- function -base()- in the -egenmore- package
from SSC, and the examples in the help to that package.
Nick
[email protected]
Hans J. Baumgartner
> I’ve got data that is binary coded. That is, an observation
> may belong
> to category 1, 2, 3 , 4 or a combination amongst these categories. My
> variable cat_id has the value of 1 1f it is in category 1; 2
> if it is in
> category 2; 4 if it is in category 3; and 8 if it is in
> category 4. My
> variable has the sum of these values, i.e. cat_id=9 means that my
> observation is in category 1 and 4.
>
> I would like to generate 4 dummies for a new category identification.
>
> Cat_id Cat4 Cat3 Cat2 Cat1
> 1 0 0 0 1
> 2 0 0 1 0
> 3 0 0 1 1
> 4 0 1 0 0
> ...
> 10 1 0 1 0
> 11 0 0 1 1
> ...
>
> i.e. it is a simple translation between binary system and
> the decimal system.
> Is there a command for this?
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