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Re: st: AW: levelsof problem?
From
joe j <[email protected]>
To
[email protected]
Subject
Re: st: AW: levelsof problem?
Date
Tue, 27 Jul 2010 12:05:50 +0200
Thanks, Martin. This is not quite what I wanted; The following command
is good enough.
egen eutotal=rowtotal(GE_F NL_F UK_F)
The *_F variables need to be selected based on whether they belong to
eu or not (GE_F NL_F UK_F are selected, but not US_F) (The values of
_*F variables are not based on whether eu=1 or otherwise). But there
are many groupings, like eu, and a lot of countries, so I was looking
for an easy method to select. But it seems to me that manual selection
is the only choice.
On Tue, Jul 27, 2010 at 11:39 AM, Martin Weiss <[email protected]> wrote:
> <>
>
> You could of course -replace- to the values you want based on the -if-
> qualifier after the fact:
>
>
> *************
> egen eutotal=rowtotal(GE_F NL_F UK_F)
> replace eutotal=. if !eu
> *************
>
>
> The reason that your second approach does not work is that Stata expects a
> -varlist- while you feed it
>
> `"GE"' `"NL"' `"PT"'_F
>
> which it cannot process. Type -ma di- to see the contents of your -macro-s.
>
>
>
> HTH
> Martin
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]] Im Auftrag von joe j
> Gesendet: Dienstag, 27. Juli 2010 10:36
> An: [email protected]
> Betreff: st: levelsof problem?
>
> >From a data set roughly like the following
> clear*
> input str2 country eu GE_F NL_F UK_F US_F
> US 0 1 1 1 0
> US 0 1 1 1 0
> NL 1 1 0 1 1
> IN 0 1 1 1 1
> GE 1 0 1 1 1
> GE 1 0 1 1 1
> US 0 1 1 1 0
> US 0 1 1 1 0
> US 0 1 1 1 0
> PT 1 1 1 1 1
> end
>
> I want to calculate the row sum of all *_F variables pertaining to eu
> countries (all excluding US_F):
> egen eutotal=rowtotal(GE_F NL_F UK_F)
>
> However, I would prefer to follow some rules in selecting the variables,
> like
>
> levels country if eu==1, local(lev)
> egen eutotal=rsum(`lev'_F)
>
> This doesn't work, however. Any pointers would be appreciated.
>
> Joe.
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