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Companies: Amazon, Google Difficulty: Medium Frequency:  Low Question What is KL divergence and how does it work as a loss function? Answer KL divergence is a distance measure between two probability…

Companies: Amazon, Apple Difficulty: Medium Frequency:  Low Question What are some regularization techniques used in tree-based models? Answer Pruning: this technique we will remove nodes from our tree that do not…

Companies: Apple, Microsoft Difficulty: Easy Frequency:  Low Question How would you perform multi-class classification with an SVM? Answer Modified from Logistic Regression. There are two approaches we can take One-vs-all approach.…