The
Filter to Include Observations
field is an optional parameter that enables you to subset the
Input SAS Data Set
before analysis. Only those rows that meet all of the conditions specified in the field are included in the analysis.
For example, to filter only diseased individuals from a data set containing a mixed
population
of diseased (sick) and healthy (healthy) individuals (as indicated in a column named
DiseaseStatus
), you could use the following simple WHERE expression:
Note:
the word
where
has already been entered for you.