Interview Question

How does decision tree decide what should be the threshold for a numerical variable for splitting a node

What are the different performance metrics for evaluating ride sharing services?

Given a user’s history of purchases, how do you predict their next purchase?

Could you tell if a coin is biased?

Why did you choose the Data Scientist role? What makes you unique? Why do you want to work at curefit?

  Explain Natural Language Processing (NLP) in general.

Given Email-id of the sender, location, timestamp, id, subject of the mail and mail content. Come up with a way to appropriately classify mails as Spam or No-Spam. Labels for the dataset is given(Supervised). How will you vectorize the input? ...

How is CNN different from other neural networks? When would you use it?

Explanation of Convolutional neural network and operations involved.

Explain the working of the Deep-Speech model. Explanation of feature extraction from audio input.