Good articles for machine learning

RBF SVM (Radial Basis Function Kernel Support Vector Machine)
https://www.youtube.com/watch?v=3liCbRZPrZA&feature=youtu.be

Classification: Precision and Recall
https://developers.google.com/machine-learning/crash-course/classification/precision-and-recall

Classification --- Deep Learning
https://ujjwalkarn.me/2016/08/11/intuitive-explanation-convnets/