AbdelRahmen:
You will need to get the -egenmore- package from ssc, use -reshape- to make a single variable
representing price, make a variable telling you the year (since it appears you have monthly data
and you want yearly means), than using -egen geomprice = gmean(price), by(year)- to get the
variable you want.
HTH,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z214
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
> I have monthly price data in the follwing form
>
> p801 p802............p036
>
> good1 100 100.3...........
> good2 100 100.5...........
> .
> .
> goodn 100 100.6..........
>
> p801 denotes price at january 1980
> I want to construct a geometric mean of monthly prices for
> each possible year
> say price index for year going from january 80 to december 80
> and feb 80 to january 81
> .... to may 2002 to june 2003
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