SUMMARY Procedure

Tips:

Supports the Output Delivery System. For details, see Output Delivery System: Basic Concepts in SAS Output Delivery System: User's Guide.

You can use the ATTRIB, FORMAT, LABEL, and WHERE statements.

Full syntax descriptions are in Syntax .

Syntax

Table of Procedure Tasks

Syntax

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;

Table of Procedure Tasks

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