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ML Knowledge
2 years ago
What can you tell us about the Random Forest algorithm and its implementation?
Data Scientist

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Digit

Figma

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2 years ago
Coding
2 years ago
Show me how you would generate a list of all prime numbers below N
Data Scientist

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Oracle Logo

Oracle

Samsung Logo

Samsung

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2 years ago
Behavioral
2 years ago
What is the most innovative idea you have ever thought of?
Data ScientistML Engineering ManagerData Science ManagerData Engineering Manager

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SPS Commerce Logo

SPS Commerce

Grover Logo

Grover

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2 years ago
Coding
2 years ago
Can you walk me through the process of finding the shortest distance for a knight to move on an infinite chessboard from point A to point B?
Data Scientist

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Thumbtack Logo

Thumbtack

Roblox Logo

Roblox

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2 years ago
Statistics
2 years ago
Given that each of three friends in Dublin has a 1/3 chance of lying, what is the probability that it's actually raining there?
Data Scientist

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Ubisoft Logo

Ubisoft

Coinbase Logo

Coinbase

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2 years ago
ML Knowledge
2 years ago
Could you expound on the DMatrix functionality in XGBoost and its distinction from other gradient boosting data structures?
Data ScientistMachine Learning Engineer

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Viber Logo

Viber

Deloitte Logo

Deloitte

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2 years ago
SQL
2 years ago
How do you formulate a SQL query to get non-duplicate conversation events from a database?
Data Scientist

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Zenefits Logo

Zenefits

Mapbox Logo

Mapbox

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2 years ago
ML Knowledge
2 years ago
Please describe what techniques you would use to determine the accuracy and effectiveness of a clustering model while working with pre-existing labels.
Data Scientist

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Bolt Logo

Bolt

Coursera Logo

Coursera

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2 years ago
Behavioral
2 years ago
Which is the most important project you are proud of? Why?
Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

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Illumina Logo

Illumina

Articulate Logo

Articulate

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2 years ago
Behavioral
2 years ago
Which of your accomplishments is most significant?
Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

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Cognizant Logo

Cognizant

Babylon Health Logo

Babylon Health

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2 years 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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