Simple Data Manipulating Example in SAS

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **

Suppose there is a data s in SAS containing a variable x.

x
3
3
4
5
2
3
9
7
1
100
3
5
0

Now we want to create another variable y such that

y = 3 if x =3
y = B_2 y + 2, o.w.

This is very hard to using the data step in SAS while very easy to do in R or the SAS IML procedure.