April 2013
Beginner to intermediate
275 pages
6h 27m
English
Content preview from Handbook of SAS DATA Step Programming
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105
7
Combining Data Sets
7.1 Vertically Combining Data Sets
When the data that you work with come from different sources, you
need to combine the data before you generate your report(s) or perform
statistical analysis. In a situation where observations are from a different
source, the data need to be combined vertically. On the other hand,
when variables are from a different source, the data need to be combined
horizontally. InSAS
®
, two methods of combining data are concatenating
and interleaving data.
7.1.1 Concatenating Data Sets
Concatenating data sets refers to creating a single data set by combining two
or more data sets, one after another ...
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