The MEANS 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. 
Table of Contents:  The MEANS Procedure 
Task  Statement  

Compute descriptive statistics for variables 
PROC MEANS 

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 
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