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ML Knowledge

a year ago

Would you be able to explain the process of building a KNN classifier on your own?

Data Scientist

Plaid

Fiverr

Zalora

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a year ago

Statistics

a year ago

Consider drawing from a random variable with a standard normal distribution. How many days do you expect it would take for you to draw a value exceeding 2?

Data Scientist

Plaid

NVIDIA

Comcast

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a year ago

StatisticsCoding

a year ago

Explain the concept of percentiles in statistics, and how you would go about finding the nth percentile of a dataset? Can you write a code for finding the nth percentile of a dataset.

Data Scientist

Plaid

Ticketmaster

Robinhood

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a year ago

Coding

2 years ago

Have you ever implemented a cache in your code? What kind did you use and why?

Data Scientist

Plaid

BuzzFeed

Samsara

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2 years ago

StatisticsML Knowledge

2 years ago

What’s your understanding of PCA and its inherent disadvantages?

Data ScientistMachine Learning Engineer

Plaid

Shutterstock

Improbable

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2 years ago

ML Knowledge

2 years ago

Would you mind explaining the Random Forest model and its significance in predictive analytics?

Data Scientist

Plaid

Digit

Figma

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2 years ago

Coding

2 years ago

Do you think you could find the element that ranks as the 18th largest?

Data Scientist

Plaid

Cloudera

Commvault

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2 years ago

Coding

2 years ago

Determine the sum of the maximum sum path that passes through the root of a given tree.

Data Scientist

Plaid

Noom

Airbnb

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2 years ago

Behavioral

2 years ago

Can you share an example of when you went the extra mile for a project?

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Plaid

Roblox

PayPal

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2 years ago

Statistics

2 years ago

How might demographic differences between the control and variant groups affect the overall outcomes of an A/B test?

Data Scientist

Plaid

Dollar Shave Club

Rivian

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2 years ago

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

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