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On Nov 9, 9:04 pm, art...@NETSCAPE.NET (Arthur Tabachneck) wrote:
> Excellent suggestion. However, to catch for potentially cancelling
> negative and positive numbers, I'd change the statement to:
>
> if abs(min(of col:)) + abs(max(of col:)) ne 0;
>
> Art
> --------
>
>
>
>
>
> On Fri, 9 Nov 2007 14:49:11 -0600, data _null_, <datan...@GMAIL.COM> wrote:
> >Art,
>
> >Consider the following slight modification to your program. Using
> >COL: allows the program to work with more than 4 observations
> >(transposed to variables).
>
> >Would not work with lots of observations but the OP mentioned about
> >100 as I recall.
>
> >data temp2;
> > set temp1;
> > if min(of col:) + max(of col:) ne 0;
> > run;
>
> >On Nov 9, 2007 1:38 PM, Arthur Tabachneck <art...@netscape.net> wrote:
> >> Mike,
>
> >> I don't know if this is any easier than Paige's suggestion, but it
> avoids
> >> having to deal with the nuances of macro variables:
>
> >> data have;
> >> input a b c d e;
> >> cards;
> >> 1 0 2 0 0
> >> 0 0 0 0 0
> >> 2 0 0 1 0
> >> 3 0 0 0 0
> >> ;
>
> >> proc transpose data=have out=temp1;
> >> run;
>
> >> data temp2;
> >> set temp1;
> >> if min(of col1-col4) + max(of col1-col4) ne 0;
> >> run;
>
> >> proc transpose data=temp2 out=want (drop=_:);
> >> run;
>
> >> HTH,
> >> Art
> >> ---------
> >> On Fri, 9 Nov 2007 10:19:59 -0800, mhol...@CUESTA.EDU wrote:
>
> >> >Hello all,
> >> > I am working with a dataset with ~200 variables and ~100
> >> >observations each. Most of the data are zeros. Is there a way to
> >> >delete all of the variables that have all zero values? The If/then
> >> >only seems to work for individual variables. Thanks.
>
> >> >Mike- Hide quoted text -
>
> - Show quoted text -
a simpler form might be
if range( of _numeric_ );
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