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Re: st: recode non-numerical values
From
Phil Clayton <[email protected]>
To
[email protected]
Subject
Re: st: recode non-numerical values
Date
Mon, 2 May 2011 23:02:16 -0400
This will make missing values of DrugID have a value of drug==0. This may be what you want but generally it would be better to keep them as missing, so I would suggest modifying to:
gen byte drug = (DrugID=="d06662") if !missing(DrugID)
Phil
On 02/05/2011, at 10:51 PM, Keith Dear wrote:
> gen byte drug = (DrugID=="d06662")
>
> On 3 May 2011 12:16, Jet <[email protected]> wrote:
>> Hi, everyone,
>>
>> I have a question regarding matching of nonnumerical values.
>> Suppose the original data looks like this:
>>
>> ID Drug ID
>> 1 d06662
>> 2 d06665
>> 3 d04878
>> 4 d05048
>>
>> Now suppose d06662 is a drug for hypertension, which I want to
>> code into "1", and all else into "0". I tried to destring the
>> variable, but it does not allow me doing so since it contains
>> characters. Any suggestion to handle this situation?
>>
>> thanks
>> Jeff
>> *
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>>
>
>
>
> --
> Dr Keith Dear
> National Centre for Epidemiology and Population Health
> ANU College of Medicine, Biology and Environment
> Australian National University
> Canberra, ACT 0200 Australia
> Phone +61 (02) 6273 2208
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/