From the course: Machine Learning & AI Foundations: Linear Regression

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Understanding part correlations

Understanding part correlations - SPSS Tutorial

From the course: Machine Learning & AI Foundations: Linear Regression

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Understanding part correlations

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- [Instructor] The best way to understand part correlations is to compare them to partials, but also to realize that part correlations are very closely related to Delta R Squared, which is a stastic that we can request right in the Regression menus. Let's request it and take a look at the output, together. I'm going to go into Analyze, Regression, Linear, and Waste Tons is going to be my dependent and we're going to do something new now. We're going to go ahead and say that Retail Trade is our independent, then click on Next and then click on Restaurants. This is actually what you do when you're doing a hierarchical regression. And we have to do that to be able to request our Delta R Squared. So, we're going to go into Statistics and request Part and partial correlations, as well as R squared change, very frequently called Delta R Squared. We're going to click on Continue. We're going to click on OK. Let's scroll down and the first thing that we see is that the Zero order Correlation,…

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