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What are your thoughts on feature selection and its significance within the realm of machine learning?

Design a system which can be used by Snap for real-time bidding in online advertising

In R, how can you generate a dataset of 1000 normally distributed points with mean=x and variance=y, provide summary statistics, and plot the density? Also, replicate these steps in a Python script within Codility's editor.

Write a program to display all the prime numbers less than a given number N.

Design an algorithm that can find all possible triplets in an array of integers that sum up to a specified target value.

How would you measure the effectiveness of a clustering model if the labels are available beforehand?

How would you characterize the balance between bias and variance in machine learning, and do you have an example of a case where this tradeoff has had an impact on the effectiveness of a model?

Tell me how you would calculate the shortest distance for a knight on an infinite chessboard to move from A to B.

Design a system for online advertising which can be used by Snap

What are the leading indicators predicting rider demands, according to you?