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Coding

3 years ago

How would you approach the problem of finding all the triplets that add up to a given target sum in an input array consisting of integers?

Data Scientist

Twitch

Amazon Web Services

Criteo

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3 years ago

Behavioral

3 years ago

How do you deal with your current workload?

Data ScientistFull Stack Software EngineerFrontend EngineerQuality Assurance Engineer

Twitch

Hired

Mailchimp

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3 years ago

Coding

3 years ago

Given an infinite chessboard, find shortest distance for a knight to move from position A to position B.

Data Scientist

Twitch

Thumbtack

Roblox

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3 years ago

Behavioral

3 years ago

Share with me an instance of failure at your work.

Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

Twitch

Capital One

TuSimple

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3 years ago

TechnicalBehavioral

3 years ago

Can you tell us some of the key takeaways from a craft conference you recently attended?

Data ScientistData Engineering ManagerUX DesignerEngineering Manager

Twitch

LendingClub

Bill.com

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3 years ago

Behavioral

3 years ago

Tell me about a time you've had to change the way you work.

Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

Twitch

Hulu

Asana

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3 years ago

ML Knowledge

3 years ago

Describe any hurdles you have overcome while working with supervised machine learning, and how did you overcome them?

Data Scientist

Twitch

LendingClub

Atlassian

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3 years ago

Coding

3 years ago

Could you code a function to calculate the root mean squared error between two arrays?

Data ScientistMachine Learning Engineer

Twitch

Bloomberg

Wise

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3 years ago

ML Knowledge

3 years ago

What is the rationale behind the application of regularization in machine learning?

Data Scientist

Twitch

Mailchimp

Yandex

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3 years ago

ML Knowledge

3 years ago

Could you explain the unique roles of a confusion matrix and an ROC curve in a model's performance evaluation?

Data ScientistMachine Learning Engineer

Twitch

Udacity

Splunk

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3 years ago

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^*All interview questions are submitted by recent Twitch Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at Twitch.

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