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Coding

3 years ago

Could you devise a method to fuse two sorted arrays while preserving the sorted order?

Data Scientist

NerdWallet

Sprinklr

Indeed.com

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3 years ago

ML Knowledge

3 years ago

Can you elaborate on how a confusion matrix and an ROC curve serve in performance evaluation and their distinct purposes?

Data ScientistMachine Learning Engineer

NerdWallet

SurveyMonkey

Hootsuite

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3 years ago

Behavioral

3 years ago

In the event that you are offered a position at NerdWallet, how long do you expect to stay?

Data Scientist

NerdWallet

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3 years ago

Behavioral

3 years ago

How did you make the decision to change jobs? What makes you feel that NerdWallet is a good next step?

Data Scientist

NerdWallet

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3 years ago

Behavioral

3 years ago

How do you earn trust from your team?

Data ScientistFrontend EngineerFull Stack Software EngineerData Analyst

NerdWallet

Petal

SingTel

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3 years ago

Statistics

3 years ago

How would you go about calculating occurrences in a Markov chain from transition probabilities?

Data Scientist

NerdWallet

Etsy

Onfido

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3 years ago

ML Knowledge

3 years ago

What are the key features of the DBSCAN algorithm?

Data Scientist

NerdWallet

TikTok

DigitalOcean

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3 years ago

Behavioral

3 years ago

I would like to hear about a time when you made a compromise

Data ScientistTechnical Program ManagerProgram ManagerSoftware Engineer

NerdWallet

Staples

Steam

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3 years ago

StatisticsML Knowledge

3 years ago

Walk us through the basic principles of Naive Bayes algorithm. How do you determine the threshold for classification in your Naive Bayes model?

Data Scientist

NerdWallet

Airtable

Improbable

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3 years ago

Behavioral

3 years ago

In a previous role with a lot of responsibility, how did you overcome a challenge?

Data ScientistML Engineering ManagerData Engineering ManagerData Science Manager

NerdWallet

Gusto

Braze

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3 years ago

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

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