Classification Part 1: Logistic Regression

Reading Time: 7 minutes Chapter 4 of the free Introduction to Machine Learning course I am teaching on IQmates introduces Classification methods. The videos touch on four methods: Logistic Regression, Linear Discriminant Analysis (LDA), Quadratic Discriminant Analysis (QDA) and k-Nearest Neighbours (kNN). In this post, we discuss… Continue Reading

What is Linear Regression? Part 5: Dealing with Qualitative Predictors

Reading Time: 3 minutes We have so far been dealing with quantitative variables in this series discussing the basics of Linear Regression. There are many situations you will come across though where you will have to model using qualitative variables, for example when you… Continue Reading

What is Linear Regression? Part 4: Non-linear Transformations of the Predictors

Reading Time: 3 minutes In the previous post, we discussed a way to introduce Interaction Terms to our Linear Model. The other previous posts talked about Simple Linear Regression and Multiple Linear Regression. Now we are ready to talk about situations where sometimes the… Continue Reading