This video shows the basics steps involved in creating a decision tree in R using the rpart function. To get the notebook check out https://raw.githubusercontent.com/steviep42/youtube/master/YOUTUBE.DIR/Your_First_Decision_Tree_In_R.Rmd
Video Timings:
0:00 Intro Pima Indians Data
0:36 Distribution of Positive vs Negative Cases
0:48 The NULL / Baseline Model
1:25 Creating The Decision Tree
2:02 Plotting The Decision Tree
3:06 Making Predictions using the Tree
3:45 Computing The Accuracy of the Tree
4:45 Comparison between Pruned vs Unpruned Decision Trees
6:00 Predictions using the Unpruned Tree
6:20 Model Complexity vs Accuracy
