In SAS, how can I conduct a t-test on data sorted by variables?
In SAS, to conduct a t-test on data sorted by variables, use the
BY statement in the
TTEST procedure. The
following example tests gender difference in weight in each area:
You must sort the data by the variable
area before using
BY statement in
PROC TTEST. The
CLASS statement specifies a binary group variable, and
VAR statement indicates the variable(s) to be
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Last modified on September 19, 2012.