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Re: st: Need Help with converting String Variables to Numeric Variables


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Need Help with converting String Variables to Numeric Variables
Date   Tue, 19 Jun 2012 02:34:20 +0100

I agree with Daniel. But I would check what is being mapped to zero.

destring numvar, force gen(strvar)
tab numvar if missing(strvar)

Nick

On Mon, Jun 18, 2012 at 11:58 PM, daniel klein
<klein.daniel.81@googlemail.com> wrote:

> Can't you just -destring- your string variable, specifying the -force-
> option, and -replace- the created missing values with 0 in the new
> variable? Or am I missing something here?

Anwar

> I am working on a data set of a hospital where  one of the variables
> has string values as observations .
>
> I am able to convert numeric string values to numeric values using
> destring command.
>
> But I have some of the observations as "< 4", "<0.04","less than 0.1"
> which needs to be converted to zero .
>
> In Stata we have option to convert nonmumeric values to missing values
> , but I need to convert them to Zero .

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