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Base SAS 9.4 Procedures Guide, Third Edition
book

Base SAS 9.4 Procedures Guide, Third Edition

by SAS Institute
August 2014
Intermediate to advanced content levelIntermediate to advanced
2218 pages
209h 16m
English
SAS Institute
Content preview from Base SAS 9.4 Procedures Guide, Third Edition
PROC MEANS determines the actual number of levels for a given type from the number
of unique combinations of each active class variable. A single level consists of all input
observations whose formatted class values match.
The following figure shows the values of _TYPE_ and the number of observations in the
data set when you specify one, two, and three class variables.
Figure 34.1 The Effect of Class Variables on the OUTPUT Data Set
Character binary
equivalent of
_TYPE_
(CHARTYPE
option)
A ,B ,C=CLASS a, b, c,=number of levels of A, B, C,
variables respectively
one
CLASS
variable
three CLASS variables
two CLASS
variables
Number of observations Total
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Publisher Resources

ISBN: 9781629593043