Re: st: How to perform a productory

["josemaria" <jmpsouza@usp.br>]

In Portuguese, we have somat�rio, same as soma (sum), but we do not have 
produt�rio.
Jos� Maria
Jos� Maria Pacheco de Souza, Professor Titular (aposentado)
Departamento de Epidemiologia
Faculdade de Sa�de P�blica/Universidade de S�o Paulo
Av. Dr. Arnaldo, 715 cep 01246-904
S�o Paulo Brasil
fones   (11)3061-7747 (11)3061-7724 (11)3714-2403  (11)3768-8612
fax   (11)3082-2920  (11)3714-2403
www.fsp.usp.br/~jmpsouza
jmpsouza@usp.br

----- Original Message ----- 
From: "n j cox" <n.j.cox@durham.ac.uk>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, October 22, 2007 11:24 AM
Subject: Re: st: How to perform a productory



> I Googled "productory" and didn't find anything recognisable.
> Perhaps you want a running product.
>
> gen runningproduct = exp(sum(log(K_1)))
>
> Alternatively, if you ask in Italian, somebody should
> recognise what you want. There is no "English only" rule.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Carlo Lazzaro
>
> I have a variable including 30 obs (please see beneath. I would like to
> calculate a productory but I have neither found out a Stata 9/2 useful
> in-built function nor a helpful FAQ (or it seems so).
>
> K_1
> .9666666
> 1
> .9642857
> 1
> .9615384
> 1
> .9583333
> .9565217
> 1
> .952381
> .95
> .9473684
> .9444444
> .9411765
> 1
> .9333333
> 1
> 1
> 1
> .9090909
> 1
> .8888889
> .875
> .8571429
> .8333333
> .8
> .75
> 1
> 1
> 1
>
>
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