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SQL

7 months ago

Please explain the differences between left join, right join, and union operations in database querying.,

Data Scientist

Datadog

Benchling

Illumina

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7 months ago

ML Knowledge

9 months ago

Can you walk us through bias and variance in the context of decision trees? And, if possible, could you clarify which one is more difficult: high bias or high variance - and why that's so?

Data Scientist

Datadog

Elastic

Rivian

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9 months ago

Statistics

9 months ago

How do you distinguish between the standard error of the mean and the median?

Data Scientist

Datadog

Curve

Arm

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9 months ago

Behavioral

9 months ago

Describe a time when you disagreed with your manager.

Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Datadog

Pepperfry

Huawei

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9 months ago

Behavioral

9 months ago

What would do do if a co-worker consistently shows up late to scheduled meetings?

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Datadog

SailPoint

Flexport

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9 months ago

Behavioral

9 months ago

Did you ever make a decision that did not go as planned? What did you learn from this experience?

Data ScientistData Science ManagerEngineering ManagerUX Designer

Datadog

Trackmaven

Okta

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9 months ago

ML Knowledge

9 months ago

Can you discuss some strategies for mitigating covariate imbalance in machine learning datasets, and how they benefit model efficacy?

Data Scientist

Datadog

Wish

Teradata

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9 months ago

Behavioral

9 months ago

Can you tell me about a difficult piece of feedback you received and how you handled it?

Data ScientistFull Stack Software EngineerFrontend EngineerProgram Manager

Datadog

Bol.com

Staples

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9 months ago

ML Knowledge

10 months ago

Can you explain how you tackle data skew in model performance evaluations and the metrics that are useful in such situations?

Data ScientistMachine Learning Engineer

Datadog

SeatGeek

Chime

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10 months ago

Behavioral

10 months ago

Tell me about a time when you led a team.

Data ScientistProgram ManagerFrontend EngineerSite Reliability Engineer

Datadog

Zoho

Ironclad

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10 months ago

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

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