Why not just use "egen"?
bys country good: egen ave_price=mean(price)
dave
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PhD student, Harvard Economics Department
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On Fri, 10 Dec 2004 [email protected] wrote:
>
> Dear all,
>
> I am looking for the easiest way to compute averages per good per country.
> My a dataset looks about the following:
>
> Article 1 US 10
> Article 1 FR 15
> Article 1 FR 20
> Article 1 UK 10
> Article 1 UK 18
> �
> Article 2 US 10
> Article 2 US 15
> Article 2 UK 20
> Article 2 UK 10
> ...
>
> In other words, I have prices for different goods, originating from
> different countries. I am interested in the average price for each of the
> goods per country, i.e. the average price charged for article 1 in the US,
> the average for article 1 in France, in the UK; similarly for article 2
> etc. A complication is that for a number of goods I only have observations
> for a subset of countries, and the number of observations varies good and
> country (e.g. for article 1 I have, say, 5 observations from Greece, but
> none from Italy, whereas for good 3 I have ten observations from Italy, but
> none from the US or France).
>
> So far I've only been able to come up with relatively clumsy solutions, so
> help is greatly appreciated,
>
> Philipp
>
>
>
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