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Companies: Amazon, Apple Difficulty: Easy Frequency:  Medium Question How would you handle imbalanced data in classification? Answer For imbalanced datasets you can do the following: Over-sampling: sample the minority class significantly more…

Companies: Apple Difficulty: Easy Frequency: Medium Question What is the vanishing gradient problem? How would you solve this? Answer In deep neural networks, the addition of more and more layers, using activation functions…

Companies: Apple, Netflix, Google Difficulty: Easy Frequency: High Question What are overfitting and underfitting and how would you solve each? Answer Overfitting is when you have a very high accuracy (or other metrics)…