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SQL

6 months ago

What would be the SQL query to fetch data where names initiate with 'H'?

Data Scientist

Uber

Optimizely

American Express

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6 months ago

ML Knowledge

6 months ago

Could you compare and contrast the applications of a confusion matrix and an ROC curve in model evaluation?

Data ScientistMachine Learning Engineer

Google

Juniper Networks

Udacity

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6 months ago

ML Knowledge

6 months ago

Hyperparameter tuning is a critical step in machine learning. Can you compare and contrast grid search CV and random search CV for optimizing hyperparameters?

Data Scientist

Meta

Google

Ola

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6 months ago

Behavioral

6 months ago

What would be your ideal team to join in Helpling

Data Scientist

Helpling

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6 months ago

Coding

6 months ago

Can you demonstrate a greedy algorithm to find the most concise subarray that meets a specific target sum?

Data ScientistMachine Learning Engineer

Google

Dropbox

Shopee

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6 months ago

Behavioral

6 months ago

How do your near-term goals contribute to your long-term goals?

Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Snap

DoorDash

Stripe

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6 months ago

Analytics Case

6 months ago

If a newly launched product seems to be struggling with user engagement metrics, what would be your next move as a product team?

Data Scientist

Flexport

Spotify

Palo Alto Networks

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6 months ago

Behavioral

6 months ago

What is a difficult piece of feedback that you have received? When did you receive it and how did you handle it?

Data ScientistFull Stack Software EngineerFrontend EngineerProgram Manager

Asana

Uber

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6 months ago

Behavioral

6 months ago

Tell me about a time when you got a performance rating you disagreed with.

Data ScientistFull Stack Software EngineerData AnalystData Engineering Manager

Snap

DoorDash

Palo Alto Networks

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6 months ago

Statistics

6 months ago

What steps are involved in creating an ROC curve based on a list of predicted probabilities and true labels?

Data Scientist

Chime

IBM

OfferUp

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6 months ago

Try Free AI Interview

Amazon

Data Scientist

Prepare for Behavioral interview at Amazon

Behavioral

Google

Data Scientist

Prepare for Behavioral interview at Google

Behavioral

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^*All interview questions are submitted by recent Data Scientist candidates, labelled and categorized by Prepfully, and then published after verification by current and ex-Data Scientist employees.