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Re: st: Drop observations with multiple zero values
From
Sergiy Radyakin <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Drop observations with multiple zero values
Date
Fri, 7 Jun 2013 16:10:23 -0400
for negatives you can use
tempvar r
egen `r'=anycount(A B C),values(0)
drop if `r'==3
where 3 is the number of variables in your varlist specified in the
anycount function.
Sergiy
On Fri, Jun 7, 2013 at 4:06 PM, Sergiy Radyakin <[email protected]> wrote:
> tempvar r
> egen `r'=rowtotal(A B C)
> drop if `r'==0
>
> missings are treated as zeroes and things get more complicated if any
> of the vars may contain negatives.
> Best, Sergiy
>
> On Fri, Jun 7, 2013 at 4:02 PM, G. Anderson <[email protected]> wrote:
>> Hi,
>>
>> Does anybody know how I can drop observations if a number of values are
>> zero?
>>
>> I can do this by manually inputting
>> drop if( A==0 & B==0 & C==0)
>> But I was wondering if there was any easier way of doing this (especially
>> when I have a lot of variables)- perhaps using varlist somehow?
>>
>>
>> Many Thanks,
>>
>> Gareth *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/faqs/resources/statalist-faq/
>> * http://www.ats.ucla.edu/stat/stata/
*
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