Area Under the Curve

Calculating the Area Under the Curve is used in many different fields of research and departments here at the University of Guelph.  The example we will work through here, is one from Food Science.  A PDF version of the Powerpoint presentation used for this session can be viewed here. The presentation explains the process of … Continue reading Area Under the Curve

Calculating differences using DIF( ) and LAG( ) functions

This may be a short post but I think one that folks will find may come in handy.  I was recently asked how to calculate a difference of a variable listed in 2 rows.  As a made-up example.  I have 2 weight observations on some unit and I want to calculate the difference between the … Continue reading Calculating differences using DIF( ) and LAG( ) functions