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Behavioral
a year ago
Is there anything you would change about Juul Labs?
Data Scientist

Juul Labs

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a year ago
ML Knowledge
a year ago
Can you discuss some strategies for mitigating covariate imbalance in machine learning datasets, and how they benefit model efficacy?
Data Scientist

Juul Labs

Wish Logo

Wish

Teradata Logo

Teradata

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a year ago
Behavioral
2 years ago
Please describe your biggest professional achievements in your current role.
Data ScientistData Science ManagerEngineering ManagerUX Designer

Juul Labs

Tableau Logo

Tableau

N26 Logo

N26

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2 years ago
ML Knowledge
2 years ago
Could you enumerate different loss functions that you know and their use cases?
Data Scientist

Juul Labs

Square Logo

Square

Takeaway Logo

Takeaway

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2 years ago
SQL
2 years ago
How do nested SELECT statements and WITH clauses function in SQL queries?
Data Scientist

Juul Labs

GoDaddy Logo

GoDaddy

Eventbrite Logo

Eventbrite

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2 years ago
CodingStatistics
2 years ago
How can you ensure that the shuffle() function you create will have equally probable permutations?
Data Scientist

Juul Labs

Udacity Logo

Udacity

Klarna Logo

Klarna

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2 years ago
Big Data
2 years ago
Can you break down the MapReduce process and how it is applied?
Data Scientist

Juul Labs

Affirm Logo

Affirm

SurveyMonkey Logo

SurveyMonkey

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2 years ago
Statistics
2 years ago
How do you calculate the number of steps in a Markov chain given its transition probabilities?
Data Scientist

Juul Labs

Meta Logo

Meta

Slack Logo

Slack

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2 years ago
Coding
2 years ago
How would you implement a simulation of a fair die roll using a random number generator and verify its accuracy?
Data ScientistMachine Learning Engineer

Juul Labs

Zenefits Logo

Zenefits

VeriSign Logo

VeriSign

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2 years ago
ML Knowledge
2 years ago
Can you explain the functional differences between CNNs and RNNs?
Data Scientist

Juul Labs

Expedia Logo

Expedia

Ubisoft Logo

Ubisoft

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2 years ago

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

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