The SUMMARY Procedure

Syntax: SUMMARY Procedure

Tip:	Supports the Output Delivery System. See Output Delivery System: Basic Concepts in SAS Output Delivery System: User's Guide for details.
Tip:	You can use the ATTRIB, FORMAT, LABEL, and WHERE statements. See Statements with the Same Function in Multiple Procedures for details. You can also use any global statements. See Global Statements for a list.
Tip:	Full syntax descriptions are in Syntax: MEANS Procedure.
Table of Contents:	The SUMMARY Procedure

PROC SUMMARY <option(s)> <statistic-keyword(s)>;

BY <DESCENDING> variable-1<...<DESCENDING> variable-n>
<NOTSORTED>;

CLASS variable(s) </ option(s)>;

FREQ variable;

ID variable(s);

OUTPUT <OUT=SAS-data-set><output-statistic-specification(s)>
<id-group-specification(s)> <maximum-id-specification(s)>
<minimum-id-specification(s)></ option(s)> ;

TYPES request(s);

VAR variable(s)</ WEIGHT=weight-variable>;

WAYS list;

WEIGHT variable;

TASK	STATEMENT
Compute descriptive statistics for variables across all observations or within groups of observations	PROC SUMMARY
Calculate separate statistics for each BY group	BY
Identify variables whose values define subgroups for the analysis	CLASS
Identify a variable whose values represent the frequency of each observation	FREQ
Include additional identification variables in the output data set	ID
Create an output data set that contains specified statistics and identification variables	OUTPUT
Identify specific combinations of class variables to use to subdivide the data	TYPES
Identify the analysis variables and their order in the results	VAR
Specify the number of ways to make unique combinations of class variables	WAYS
Identify a variable whose values weight each observation in the statistical calculations	WEIGHT

Note:

Full descriptions of the statements for PROC SUMMARY are in the documentation for PROC MEANS. [cautionend]

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