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ML Knowledge
3 years ago
What is your experience with using Rectified Linear Unit as an activation function and its impact on model accuracy?
Data Scientist

HubSpot

Eventbrite

ASML

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3 years ago
Coding
3 years ago
Could you illustrate how to implement a binary search and elaborate on its time complexity? Is there potential for making it more efficient?
Data Scientist

HubSpot

Bitdefender

Mailchimp

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3 years ago
ML CaseML Knowledge
3 years ago
What does the journey of a machine learning model look like from initial training to final deployment?
Data Scientist

HubSpot

Zendesk Logo

Zendesk

Walmart Logo

Walmart

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3 years ago
Coding
3 years ago
In R generate 1000 data points normally distributed, with mean=x, and variance=y. Perform summary stat on the data points, explain stat metrics. Create density plot. Do the same in python script, in codility.com editor
Data Scientist

HubSpot

Deliveroo Logo

Deliveroo

Quora Logo

Quora

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3 years ago
Analytics Case
3 years ago
M is linked to N. M is linked to O. N is linked to O. P is not connected to any other characters. Can the four characters be organized into two different sets, separating connected pairs and forming a bipartite graph?
Data Scientist

HubSpot

Postmates Logo

Postmates

Chegg Logo

Chegg

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3 years ago
Behavioral
3 years ago
Tell me about a time where you took an unpopular decision
Data ScientistSoftware EngineerTechnical Program ManagerBackend Engineer

HubSpot

Deliveroo Logo

Deliveroo

Pendo Logo

Pendo

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3 years ago
Behavioral
3 years ago
Do you know how to earn trust from your team?
Data ScientistEngineering ManagerUX DesignerUX Researcher

HubSpot

Gupshup Logo

Gupshup

RentoMojo Logo

RentoMojo

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3 years ago
Product Case
3 years ago
Share with me your strategy for anticipating a brand's sales in the future.
Data Scientist

HubSpot

Noom Logo

Noom

StubHub Logo

StubHub

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3 years ago
Coding
3 years ago
What method do you use to identify and extract every instance of an English word from a given string of characters?
Data Scientist

HubSpot

Twitter Logo

Twitter

Flexport Logo

Flexport

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3 years ago
Statistics
3 years ago
How would you approach plotting an ROC curve based on a list of predicted probabilities and corresponding true labels?
Data Scientist

HubSpot

IBM Logo

IBM

OfferUp Logo

OfferUp

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3 years ago

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

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