st: Re: RE: generating a new numerical variable3 using a string variable2 which is nested in a numerical variable1

[José Maria <jmpsouza@usp.br>]

dears Martin, Kit:
thank you.
Both ways made it!
José Maria
Jose Maria Pacheco de Souza, Professor Titular (aposentado)
Departamento de Epidemiologia/Faculdade de Saude Publica, USP
Av. Dr. Arnaldo, 715
01246-904  -  S. Paulo/SP - Brasil
fones (11)3061-7747; (11)3768-8612;(11)3714-2403
www.fsp.usp.br/~jmpsouza
----- Original Message ----- 
From: "Martin Weiss" <martin.weiss1@gmx.de>
To: <statalist@hsphsun2.harvard.edu>
Sent: Saturday, November 14, 2009 4:10 PM
Subject: st: RE: generating a new numerical variable3 using a string 
variable2 which is nested in a numerical variable1


> <>
>
> Jose could also use:
>
>
> *******
> clear*
>
> inp byte var1 str1 var2
> 1  a
> 1  a
> 1  a
> 1  b
> 2  m
> 2  m
> 2  n
> 2  n
> 2  p
> 3  c
> 3  c
> 3  c
> 3  c
> end
>
> compress
>
> contract var1 var2
> bys var1: gen byte num=_n
> expand _freq
> sort var1 var2
> drop _freq
> li, noo sepby(var1)
> *******
>
>
> HTH
> Martin


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