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Re: Re: st: keep if string for more variables
From
Sergiy Radyakin <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: Re: st: keep if string for more variables
Date
Tue, 10 Dec 2013 11:14:06 -0500
if blue01..blue10 are dummies, then to keep 'any blue' one might say:
clear
set obs 100
forval v=1/10 {
generate byte blue`v'=runiform()>0.95
}
egen flag=rowtotal(blue1-blue10)
keep if flag
drop flag
list
Best, Sergiy
On Tue, Dec 10, 2013 at 10:55 AM, Red Owl <[email protected]> wrote:
> My suggestion below assumed you have a single string variable named
> color with values blue01, blue02, yell0w01, etc.
>
> If you have a set of binary variables for various colors, the solution
> would be different.
>
>
>
>> Red Owl <redowl@liu> wrote:
>>
>> Try:
>>
>> keep if substr(color,1,4)== "blue"
>>
>> Red Owl
>> [email protected]
>
>
>>> Nick Bornschein <[email protected]> wrote:
>
>>> Hi,
>>>
>>> I have string variables, blue01 to blue10 and yellow01 to yellow10. I
> want to keep some data by using:
>>>
>>>
>>> keep if color == "blue*" to keep all blue data, but it does not work.
> Any idea?
>>>
>>>
>>> Thanks a lot
>>> -Nick
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