Methods of Combining SAS Data Sets: The Basics
A common task in SAS programming is to combine observations
from two or more data sets into a new data set. Using the DATA step,
you can combine data sets in several ways.
|
Method of Combining
|
Illustration
|
|---|---|
|
One-to-one reading
Creates observations
that contain all of the variables from each contributing data set.
Combines observations
based on their relative position in each data set.
Statement: SET
|
 |
|
Concatenating
Appends the observations
from one data set to another.
Statement: SET
|
|
|
Appending
Adds the observations ... |
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