Combining and merging SAS datasets (Chapter 5)
Stacking datasets
(Section 5.2)
Interleaving datasets
(Section 5.3)
Merging datasets
(Sections 5.4 & 5.5)
Merging to a dataset with 1 observation
(Section 5.7)
Data step options
(Section 5.9)
Creating multiple datasets with OUTPUT statement
(Section 5.11)
Creating and reducing observations with the OUTPUT statement and PROC TRANSPOSE
(Section 5.12 & 5.13)