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ML Knowledge

2 years ago

In what way does DMatrix in XGBoost vary from other data structures utilized in gradient boosting frameworks?

Machine Learning EngineerData Scientist

Riot Games

Viber

Deloitte

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2 years ago

Coding

2 years ago

Could you illustrate how to invert a binary tree in any given programming language?

Machine Learning Engineer

Riot Games

GoCardless

Tinder

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2 years ago

ML Knowledge

2 years ago

Can you explain the inner workings of attention mechanisms in neural networks?

Machine Learning Engineer

Riot Games

Panasonic

Rovio

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2 years ago

System Design

2 years ago

Build a decentralized key-value database.

Machine Learning Engineer

Riot Games

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2 years ago

ML Knowledge

2 years ago

How are k-means and KNN distinct from each other in terms of their applications?

Machine Learning Engineer

Riot Games

Postmates

Novartis

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2 years ago

Coding

2 years ago

I'd like to see how you would code a function to create a normal distribution graph.,

Machine Learning Engineer

Riot Games

Zendesk

Zoom

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2 years ago

Coding

2 years ago

Can you create an algorithm to convert a minesweeper character grid into an array of numbers denoting adjacent mines?

Machine Learning EngineerData Scientist

Riot Games

IBM

Workday

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2 years ago

ML Knowledge

2 years ago

Can you explain the process of k-means clustering and whether it assures a global optimum solution? Additionally, demonstrate how you would implement this with an N*D matrix.

Machine Learning Engineer

Riot Games

Optimizely

Intuit

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2 years ago

Coding

2 years ago

How would you approach programming Conway's Game of Life in Python?

Machine Learning Engineer

Riot Games

Workday

Cloudera

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2 years ago

System Design

2 years ago

Design a system for real-time recommendation engine.

Machine Learning Engineer

Riot Games

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2 years ago

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^*All interview questions are submitted by recent Riot Games Machine Learning Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by Machine Learning Engineers at Riot Games.

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