January 2018
Beginner to intermediate
582 pages
25h 3m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Appending: Details
The APPEND Procedure
Another way to combine SAS data sets is to append one
data set to another using the APPEND procedure. Although appending
and concatenating are similar, there are some important differences
between the two methods. Whereas the DATA step creates an entirely
new data set when concatenating, PROC APPEND simply adds the observations
of one data set to the end of a “master” (or BASE) data
set. SAS does not create a new data set nor does it read the base
data set when executing the APPEND procedure.
To append SAS data sets, you specify a BASE= data set, which is the data set to which observations are added and then specify a DATA= data set, which is the data set containing the observations that are added ...
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