Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - TRIM Function (Want to Get Rid of Trailing Blanks?)

The video tutorial covers the basics of a data step in SAS, including declaring variables and using the length statement. It explains how to create a new variable by combining last and first names, and demonstrates the use of the trim function to remove trailing spaces. The tutorial highlights the advantages of using the trim function over concatenation for handling trailing blanks.

Explain how to create a new variable by combining last name and first name.

Why is the trim function considered more useful than concatenation?