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# Re: st: RE: Re: How to perform calculations on a set of tempvars

 From francesco manaresi To statalist@hsphsun2.harvard.edu Subject Re: st: RE: Re: How to perform calculations on a set of tempvars Date Sun, 26 Sep 2010 15:53:08 +0200

```Thank you, your answer (and the reference) was pretty useful.
I ended up creating variables, however, since most of the "rowwise"
functions do not seem to work properly with macros.
Thanks again,
f

On Sat, Sep 25, 2010 at 11:00 AM, Martin Weiss <martin.weiss1@gmx.de> wrote:
>
> <>
>
> The -min()- function does not take a -varlist-, but a comma-separated list
> of arguments, hence the error. Try -egen, rowmin()- instead:
> http://www.stata-journal.com/article.html?article=pr0046
>
>
>
> HTH
> Martin
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of francesco
> manaresi
> Sent: Samstag, 25. September 2010 09:02
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Re: How to perform calculations on a set of tempvars
>
> I created sets of tempvars of the type
> var_`i'_`x'
> containing the result of a statistic (say, a p-value) calculated for
> variable `x' in State `i'
>
> I would like to perform calculations and have the result in another
> macro. For instance, I want the minimum of all the p-values by State.
> However, Stata does not accept the following syntax:
>
> tempvar minimum
> g `minimum' = min(`var_`i'_*')
>
> invalid syntax
> r(198);
>
> I believe this is because Stata doesn't accept asterisks (jolly
> character) within macronames.
> Am I right? What can I do alternatively, apart from creating hundreds
> of real variables?
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```