1 00:00:04,660 --> 00:00:05,280 Hi. 2 00:00:05,280 --> 00:00:07,980 I'm John, and I'll be leading the recitation this week. 3 00:00:07,980 --> 00:00:10,330 We'll be using pooling data from the months leading up 4 00:00:10,330 --> 00:00:13,790 to a presidential election to predict that election's winner. 5 00:00:13,790 --> 00:00:16,030 We'll go over how to build logistic regression 6 00:00:16,030 --> 00:00:18,980 models in R, how to select the variables to include 7 00:00:18,980 --> 00:00:22,340 in those models, and how to evaluate the model predictions. 8 00:00:22,340 --> 00:00:24,080 Let's get started.