Subsetting Data
Deleting Unwanted Observations
So
far in this chapter, you've learned to use IF-THEN statements to
execute assignment statements conditionally. But you can specify
any executable SAS statement in an IF-THEN statement. For example,
you can use an IF-THEN statement with a DELETE statement to
determine which observations to omit as you read data.
-
The IF-THEN statement executes a SAS statement when the condition in the IF clause is true.
-
The DELETE statement stops the processing of the current observation.
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General form, DELETE statement:
DELETE;
To
conditionally execute a DELETE statement, you submit a statement in
the following general form:
IF expression THEN DELETE;
If
the expression is
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