Summary
Data Set Options
DROP=variable(s)
specifies the variables
to be excluded.
Used in the SET statement,
DROP= specifies the variables that are not to be read from the existing
SAS data set into the program data vector. Used in the DATA statement,
DROP= specifies the variables to be excluded from the data set that
is being created.
FIRSTOBS=n
specifies the first
observation to be read from the SAS data set that you specify in the
SET statement.
KEEP=variable(s)
specifies the variables
to be included.
Used in the SET statement, KEEP= specifies the variables to be read from the existing SAS data set into the program data vector. Used in the DATA statement, KEEP= specifies which variables in the program data vector are to be written ...
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