If one variable in the input data set represents the frequency of
occurrence for other values in the observation, specify the variable
name in a FREQ statement. PROC STDIZE
treats the data set as if each
observation appeared n times, where n is the value of the
FREQ variable for the observation. Nonintegral values of the FREQ
variable are truncated to the largest integer less than the FREQ value.
If the FREQ variable has a value that is less than 1 or is missing,
the observation is not used in the analysis.
- FREQ | FREQUENCY variable ;
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