Ask the Expert Webinar Series

How Do I Use a Hash Object in Place of the LAG Function?

On-Demand • Cost: Complimentary

About the webinar

Join this webinar to learn how the LAG function works, get an introduction to the hash object and why it can be helpful with autoregressive time series forecasting.  

This webinar is perfect for intermediate to advanced SAS® programmers. You’ll learn how to take a value from a previous row, perform a calculation with it and then store it in the same column. 

You will learn:

  • An in-depth understanding of the LAG function and a visual demonstration of how it works.
  • An introduction to the hash object.
  • How to use a hash object to perform a LAG function when you need to do a calculation on the value.

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About the Expert

Andrea Wainwright-Zimmerman
Senior Analytical Consultant, SAS

Prior to joining SAS, Wainwright-Zimmerman worked for Capital One in a variety of functions and was also a consultant with Experis. She has been an officer with VASUG, speaker with NESUG, conference chair for SESUG 2013 and an author coordinator for SAS Global Forum. Wainwright-Zimmerman won a Best Contributed Paper Award at SAS Global Forum 2012.