Hi all,
Is there a syntax in PROC MEANS to calculate the mean of positive numbers and negative numbers separately . it is not the count but the mean calculation.
If you preprocess your data set to have a variable that indicates positive or negative, then you could implement a CLASS statement to get this.
data want;
set have;
flag=sign(variable);
run;
proc means data=want;
class flag;
var variable;
run;
This should at least get you started.
Steve Denham
Message was edited by: Steve Denham
Thanks Steve Denham ,
This is quite helpful .
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