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ML Case

2 years ago

How do you typically predict if a client will purchase a certain software? What information do you need to include in your dataset and how do you ensure that you are generating accurate results?

Data Scientist

HubSpot

CrowdStrike

Adobe

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2 years ago

Coding

2 years ago

What is the most efficient way to calculate the dot product of two sparse matrices?

Data ScientistMachine Learning Engineer

HubSpot

Tesla

Postmates

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2 years ago

Statistics

2 years ago

How does multicollinearity impact the coefficients in logistic regression? Specifically, what happens when two predictors are highly correlated?

Data Scientist

HubSpot

Zomato

Palo Alto Networks

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2 years ago

SQL

2 years ago

Could you describe how you calculate the rolling average for a metric over a particular time length?

Data Scientist

HubSpot

Riot Games

Expedia

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2 years ago

ML Knowledge

2 years ago

What approaches do you take to address skewed data in model evaluation, and which metrics do you find most useful?

Data ScientistMachine Learning Engineer

HubSpot

SeatGeek

Chime

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2 years ago

Behavioral

2 years ago

Share an example of a time you failed to achieve your goal

Data ScientistData Engineering ManagerUX DesignerEngineering Manager

HubSpot

Chewy

SAP

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2 years ago

ML Knowledge

2 years ago

Do ReLU or sigmoid activation functions better address the problem of vanishing gradients?

Data ScientistMachine Learning Engineer

HubSpot

DigitalOcean

Faire

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2 years ago

Behavioral

2 years ago

Why have you chosen to apply to HubSpot?

Data Scientist

HubSpot

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2 years ago

Behavioral

2 years ago

Please describe a conflict-resolution situation that you faced

Data ScientistFull Stack Software EngineerData AnalystFrontend Engineer

HubSpot

Palantir Technologies

Wealthfront

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2 years ago

ML Knowledge

2 years ago

Before applying machine learning algorithms, what are some of the things you have to do in terms of data wrangling and cleaning?

Data Scientist

HubSpot

Duolingo

Yahoo

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2 years ago

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