Quick Review on Data Step
A data step is the code that creates a SAS data set.
Below is an example:
Data Profile;
Input Name $ Age;
Datalines;
Khan 28
Natalia 32
Tommy 29
Lee 34
;
Run;Note: run the code on your SAS Studio to see the result.
The data step above contains an INPUT and DATALINES statement.
It creates the data set below:
Have you ever wondered how this data set is magically created in SAS?
In fact, SAS goes through two phases when creating the data set:
Let's look at each phase in detail.