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Coding

6 months ago

What methodology would you apply to locate the subsequence with the maximum sum in a series of numbers?

Data Scientist

Visa

Course Hero

Deloitte

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6 months ago

ML Knowledge

6 months ago

Could you explain the different objectives of supervised, unsupervised, and reinforcement learning?

Data Scientist

Visa

Calm

Yahoo

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6 months ago

ML KnowledgeML Case

6 months ago

What are the difficulties faced when you have a model with a lot of layers?

Data Scientist

Visa

Anaplan

Skyscanner

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6 months ago

ML Knowledge

6 months ago

To gauge the effectiveness of a machine learning model, have you heard of using cross-validation?

Data Scientist

Visa

Walmart

Ancestry

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6 months ago

Behavioral

6 months ago

What is an accomplishment you are proud of?

Data ScientistProduct ManagerBackend EngineerSoftware Engineer

Visa

Cisco

GoodData

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6 months ago

ML Knowledge

6 months ago

Before applying machine learning algorithms, what are some of the things you have to do in terms of data wrangling and cleaning?

Data Scientist

Visa

Duolingo

Yahoo

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6 months ago

Behavioral

7 months ago

What are the steps you take when analyzing data, from data collection to report creation?

Data Scientist

Visa

Redfin

Stitch Fix

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7 months ago

Behavioral

7 months ago

Which skills make you an ideal candidate?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Visa

JP Morgan

ServiceNow

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7 months ago

Behavioral

7 months ago

Why are you looking for a new job?

Data ScientistEngineering ManagerUX DesignerUX Researcher

Visa

Sanmina

Dollar Shave Club

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7 months ago

Behavioral

7 months ago

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

Data Scientist

Visa

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7 months ago

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

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