January 2018
Beginner to intermediate
582 pages
25h 3m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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SAS Data Sets
Overview of Data Sets
A SAS data set is a
file that consists of two parts: a descriptor portion and a data portion.
Sometimes a SAS data set also points to one or more indexes, which
enable SAS to locate rows in the data set more efficiently. (The data
sets that are shown in this chapter do not contain indexes.) Extended
attributes are user-defined attributes that further define a SAS data
set.
Figure 2.6 Parts of a SAS Data Set
Descriptor Portion
The descriptor portion of a SAS data
set contains information about the data set, including the following:
-
the name of the data set
-
the date and time that the data set ...
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