John Baughman
>
> I have a fair amount of experience using Stata
> interactively, but little
> programming experience, and I now have run into a problem
> that can only be
> solved with programming (I think). Any help with how I
> ought to think
> about it would be greatly appreciated. Thus, my first post to the
> list. By the way, I'm using Intercooled Stata 8.1.
>
> The dataset has a string var whose values correspond to the
> names of dummy
> variables in the dataset. What I want to do is generate a
> new dummy var
> which equals 1 for a given observation if the dummy for the
> var whose name
> corresponds to that observation's string value also equals
> 1; the new dummy
> will be 0 otherwise. I think an illustration of what the
> data might look
> like will help more than that convoluted description:
>
> obs strvar aaa bbb ccc newvar
> 1 aaa 1 1 1 1
> 2 ccc 1 0 1 1
> 3 bbb 1 0 1 0
> 4 ccc 0 0 1 1
> 5 aaa 0 0 0 0
>
> etc etc in various permutations.
>
> The actual dataset has fifty string values and fifty corresponding
> dichotomous vars and around 5500 observations. Any ideas
> about how I ought
> to think about this and/or what commands might be useful in
> getting this
> coded? I sense there is something simple I'm missing . . .
>
gen newvar = .
forval i = 1/`= _N' {
replace newvar = `= strvar[`i']' == 1 in `i'
}
Nick
[email protected]
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