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

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

Categorical regression with optimal scaling

Categorical regression with optimal scaling - SPSS Tutorial

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

Start my 1-month free trial

Categorical regression with optimal scaling

“

- [Instructor] Okay, so we know that regression is all about predicting a scale variable with one or more scale variables. Well, somewhat obviously, we don't always have scale variables, so then what do we do? Well, we're going to go ahead and take a look at a technique called categorical regression, and to do so, we're going to use a data set that is found in the Additional Data Files folder called Satisfaction. Okay, well, here's the Satisfaction data set, and we can see that our dependent variable Recommend is nominal in nature. Some folks answered yes, some folks answered no, and some folks answered don't know. We're going to actually include the don't know. If we only had yes, no, we could consider something like binary logistic regression, but since we do want to include the don't know, we really have to treat our dependent as a nominal variable. So let's take a look. We're going to find the technique that we need in the Regression folder, and then down here, where it's called…

Contents