PROC FREQ does not include the formatted class level OTHER, where PROC REPORT
does. This is because PROC FREQ applied the BEDFMT. format to the Bedrooms
variable before classifying missing values as invalid. PROC REPORT classifies missing
values as invalid before applying the format. This allows the nonmissing class levels that
would normally be grouped with the missing class levels to be treated as valid.
You can verify this by observing the frequency counts. A total of 16 observations reside
in the Work.Houses data set. PROC FREQ reports nine invalid class levels. PROC
REPORT treats only one class level as invalid. If the lowest internal value ...
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