Re: st: Drop observations with multiple zero values

["G. Anderson" <ga274@cam.ac.uk>]

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 <ga274@cam.ac.uk> 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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