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st: Substring problem
From
Alberto R Osella <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: Substring problem
Date
Mon, 04 Mar 2013 14:38:23 +0100
My data look like this.
A B C
1. | Latte di vacca parzial. scremato 200 g (92 kcal)
2. | Caffe' in tazza 30 g (0 kcal)
3. | Sogliola 150 g (124
kcal)
4. | Olio di oliva extra vergine 15 g (134 kcal)
5. | Cicoria di campo 200 g (20 kcal)
These are three strinf variables coming from a software. I need to
transform the last two string variables into numeric ones but
I need only a substring of them ( not 200 g but 200, not (92 kcal) but 92.
I've tried but I was not able to find a solution.
I'm using Stata 12.1 on W7.
Can anyone to help me?
Thanks in advance
--
Alberto R. Osella, MD, PhD
Laboratorio di Epidemiologia e Biostatistica
IRCCS Saverio de Bellis
Via Turi, 27
70013 Castellana Grotte (BA)
Italia
Tel: +39 0804994655
Fax: +39 0804994650
e-mail: [email protected]
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