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Re: st: Drop observations with multiple zero values


From   "G. Anderson" <[email protected]>
To   [email protected]
Subject   Re: st: Drop observations with multiple zero values
Date   07 Jun 2013 21:10:35 +0100

Thanks a lot Sergiy

This is helpful, although some of the variables do contain negatives unfortunately!


On Jun 7 2013, Sergiy Radyakin 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 *
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