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Companies: Amazon Difficulty: Easy Frequency:  High Question Can you explain bagging and boosting. Does boosting require the same training set for each iteration? Answer Taken from Random Forests and Boosting. Boosting…

Companies: Amazon Difficulty: Easy Frequency:  Medium Question What are the differences between logistic and linear regression? Answer Some differences are: Output type: linear regression's output range is between 0 and 1…

Companies: Apple, Google Difficulty: Hard Frequency:  Low Question What is the loss function for the skip-gram model and the CBOW model in word2vec? Answer Some loss functions we can use in…