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ML Knowledge

3 years ago

Could you describe the bootstrapping technique and its efficacy in augmenting sample size?

Data ScientistMachine Learning Engineer

Square

Atlassian

Dell

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3 years ago

ML Knowledge

3 years ago

How does collaborative filtering work within machine learning paradigms?

Data Scientist

Square

NetSuite

Sony

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3 years ago

Statistics

3 years ago

Given a list of numbers representing predicted probabilities and corresponding true labels, how would you plot an ROC curve?

Data Scientist

Square

IBM

OfferUp

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3 years ago

Behavioral

3 years ago

Tell me about an instance when you took initiative.

Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

Square

Two Sigma

Citrix Systems

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3 years ago

Behavioral

3 years ago

Can you tell me about a time you went the extra mile for a project or endeavour?

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Square

Roblox

PayPal

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3 years ago

Behavioral

3 years ago

What are the ways in which your experience aligns with the values of Square?

Data Scientist

Square

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3 years ago

Behavioral

3 years ago

Please describe one conflict scenario that you have dealt with

Data ScientistFull Stack Software EngineerData AnalystFrontend Engineer

Squarespace

Square

Palantir Technologies

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3 years ago

Coding

3 years ago

How can you implement binary search and explain its time complexity? Do you see any possibilities for optimization?

Data Scientist

Square

Bitdefender

Mailchimp

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3 years ago

ML Knowledge

3 years ago

What is Support Vector Machine and how does it work?

Data Scientist

Square

Hitachi

eBay

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3 years ago

ML Knowledge

3 years ago

In what scenarios is an ROC curve most useful? Could you explain the difference in approach between bagging and boosting algorithms?

Data ScientistMachine Learning Engineer

Square

Zillow

Wish

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3 years ago

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

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