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Tell me about a time when you made an unpopular decision

Give a brief description of your work experience

How can you explain k-means clustering and its effectiveness in finding a global optimum? Provide an implementation for an N*D matrix input.

Describe a conflict you dealt with.

Can you explain the process of estimating the probability of ordering a ride using a set of assumptions? What assumptions would be required for this calculation? Furthermore, how would you determine a confidence interval for this probability?

What are some of your key objectives from the Data Scientist role at Twitch?

Are the beginning layers or the ending layers of a neural network more susceptible to vanishing gradients?

How would you go about coding a functional hash table in Python?

Please describe one conflict scenario that you have dealt with

How do you write a function to invert a binary tree in your programming language of choice?