A Crash Course on R-squared

On-Demand Video This 15 minute session will give viewers a basic understanding of r-squared in regression models. From how R-squared is created, to interpreting it’s meaning, this course will help you better understand the concept. About the Brown Bag Learning Series...

What the Heck is Multicollinearity?

Should we fear it in models?  Should we fear the term?  What the heck is it?  Why does spell-check not even like the term?  This 10 minute learning session will give you a better understanding of multicollinearity and hopefully take away your fears. About the Brown...

Hypothesis Testing and Variable Significance

Tuesday January 7, 2:00 PM EDT Do you remember learning hypothesis testing in Stats 101?  The null hypothesis vs. the alternative hypothesis, Z-values and P-values…  You are doing the same thing when deciding whether or not a variable is significant in a predictive...