- #1
Hummingbird25
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Homework Statement
Howdy I got a datasheet in the SAS data system with 3 variables and 60 obs.
How do I most simply get SAS to calculate the variance?
Homework Equations
The Attempt at a Solution
data cnn;
input vara varb snt@@;
datalines;
...
...
...
run;
proc sort;
by vara;
run;
proc means;
by vara;
run;
Which code to I add to get it to calculate the variance of the three vars??
Thanks in advance
Maria.