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The SUMMARY Procedure

VAR Statement


Identifies the analysis variables and their order in the results.
Default: If you omit the VAR statement, then PROC SUMMARY produces a simple count of observations, whereas PROC MEANS tries to analyze all the numeric variables that are not listed in the other statements.
Interaction: If you specify statistics on the PROC SUMMARY statement and the VAR statement is omitted, then PROC SUMMARY stops processing and an error message is written to the SAS log.

Note:   See the VAR Statement in PROC MEANS for a full description of the VAR statement.  [cautionend]

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