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ML Knowledge
a year ago
What insights can an ROC curve provide about a classifier? What are the main contrasts between the methodologies of bagging and boosting?
Data ScientistMachine Learning Engineer

Twitch

Zillow

Wish

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a year ago
Coding
a year ago
How do you approach building a binary tree from specific preorder and inorder traversals?
Data Scientist

Twitch

eBay Logo

eBay

Samsung Logo

Samsung

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a year ago
ML Knowledge
a year ago
What is the ROC curve and how is AUC related to it?
Data Scientist

Twitch

Mailchimp Logo

Mailchimp

Microsoft Logo

Microsoft

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a year ago
Statistics
a year ago
What safeguards can you put in place to minimize the impact of random variables that could influence the results of the control and variant groups in an A/B test?
Data Scientist

Twitch

Dollar Shave Club Logo

Dollar Shave Club

Rivian Logo

Rivian

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a year ago
ML Knowledge
a year ago
Have you worked with cross-validation before, which is a method for evaluating the performance of a machine learning model?
Data Scientist

Twitch

Walmart Logo

Walmart

Ancestry Logo

Ancestry

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a year ago
ML Knowledge
a year ago
How does Random Forest contribute to the field of ensemble learning methods?
Data Scientist

Twitch

Digit Logo

Digit

Figma Logo

Figma

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a year ago
Behavioral
a year ago
Can you describe a recent failure that has taught you something? In what way has it made you a better Data Scientist?
Data Scientist

Twitch

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a year ago
Behavioral
a year ago
Where does your experience align with the values of Twitch?
Data Scientist

Twitch

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a year ago
ML Knowledge
a year ago
What does outlier detection entail in statistical data processing?
Data Scientist

Twitch

Redfin Logo

Redfin

Affirm Logo

Affirm

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a year ago
ML KnowledgeML Case
a year ago
Can you explain the differences between tabular and multidimensional models, and which among the two is the supported model for Azure analysis services?
Data Scientist

Twitch

ServiceNow Logo

ServiceNow

Ticketmaster Logo

Ticketmaster

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a year 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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