Re: st: data manipulation question

["Scott Merryman" <scott.merryman@gmail.com>]

You could use -levelsof-, -foreach- and -mark- to generate the dummy variables.

For example:

clear
input str3 x
`"IDI"'
`"IDV"'
`"IGI"'
`"IGV"'
end
levelsof x, local(levels)
foreach l of local levels {
	mark `l' if x == "`l'"
}
desc
l


Scott

On 6/26/07, David Airey <david.airey@vanderbilt.edu> wrote:
> I have a variable naming question, after encoding.
>
> I used these commands,
>
> encode iso_str, generate(iso)
> tab iso, gen(iso_)
>
> "iso_str" was a variable with these levels:
>
> . levels iso_str
> `"IDI"' `"IDV"' `"IGI"' `"IGV"' `"INI"' `"INV"' `"ISI"' `"ISV"'
> `"MDV"' `"MNI"'
>  > `"MNV"' `"MSI"' `"MSV"' `"VDI"' `"VDV"' `"VGI"' `"VGV"' `"VNI"'
> `"VNV"' `"VSI"
>  > ' `"VSV"'
>
> and so iso has these levels
>
> . levels iso
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
>
> after tab iso, gen(iso_)
>
> I wind up with 1,0 indicator variables for each level of iso, with
> useful variable labels. But really I'd like to have indicator
> variables named for each level, like "IDI" instead of "iso_1". How do
> I do that?
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