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Statistics
3 years ago
Three friends in Dublin told you it's rainy. Each has a probability of 1/3 of lying. What's the probability of Dublin is rainy?
Data Scientist

Pinterest

Ubisoft

Coinbase

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3 years ago
Statistics
3 years ago
How do you approach the calculation of the likelihood for k heads in n coin flips?
Data Scientist

Pinterest

Databricks Logo

Databricks

Course Hero Logo

Course Hero

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3 years ago
ML Knowledge
3 years ago
What is the gradient boost algorithm and how is it applied in machine learning?
Data Scientist

Pinterest

Hitachi Logo

Hitachi

Grubhub Logo

Grubhub

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3 years ago
Product CaseAnalytics Case
3 years ago
What methods would you recommend to identify weak ties and facilitate building stronger connections in a 'people you may know' tool?
Data Scientist

Pinterest

LinkedIn Logo

LinkedIn

Reddit Logo

Reddit

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3 years ago
Behavioral
3 years ago
Which aspect of Data Scientist role at Pinterest excites you the most?
Data Scientist

Pinterest

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3 years ago
ML Knowledge
3 years ago
How do confusion matrix and ROC curve tools differ in their use for model evaluation, and when is each preferable?
Data ScientistMachine Learning Engineer

Pinterest

Udacity Logo

Udacity

Splunk Logo

Splunk

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3 years ago
ML Knowledge
3 years ago
When reporting machine learning results, what approaches do you think work best for ensuring that stakeholders understand the findings?
Data Scientist

Pinterest

Squarespace Logo

Squarespace

Electronic Arts Logo

Electronic Arts

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3 years ago
Coding
3 years ago
How would you script a Python function to apply a markdown rate to a list of song streams?
Data Scientist

Pinterest

ZocDoc Logo

ZocDoc

Avito Logo

Avito

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3 years ago
Analytics Case
3 years ago
What would be your course of action if observe the number of notifications sent has dropped by 15%
Data Scientist

Pinterest

Slack Logo

Slack

HubSpot Logo

HubSpot

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3 years ago
ML CaseProduct Case
3 years ago
What are the leading indicators predicting rider demands, according to you?
Data Scientist

Pinterest

Square Logo

Square

Quantcast Logo

Quantcast

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3 years ago

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

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