Random forest classification - simply explained

See all my videos at https://www.tilestats.com/ 1. Introduction 2. How it works (03:20) 3. How to calculate the OOB error (07:52) 4. How to determine the number of trees (10:03) 5. How to predict (10:41) 6. Variable importance (11:27) 7. Random forest vs decision trees (12:29)