Mostly Kaggle -- reading others solutions and notebooks and integrating them into mine code. Also there's a great Coursera course on ML for Kaggle: https://www

Mostly Kaggle -- reading others solutions and notebooks and integrating them into mine code. Also there's a great Coursera course on ML for Kaggle: https://www.coursera.org/learn/competitive-data-science https://www.coursera.org/learn/competitive-data-science I think once you finish it, you're better than 60% of silicon valley data scientists, no kidding.