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ML Knowledge
2 years ago
How does PCA dissect and condense the feature space?
Data Scientist

Wish

Stripe

Noom

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2 years ago
Coding
2 years ago
Write a function to find the problematic integer in an array of sorted integers from 0 to n. Your solution must have a time complexity of O(log n).
Data Scientist

Wish

InVision Logo

InVision

Workday Logo

Workday

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2 years ago
Behavioral
2 years ago
What do you think does Wish values in its employees?
Data Scientist

Wish

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2 years ago
Behavioral
2 years ago
Share a time when you had a disagreement with a member of your team.
Data ScientistData Engineering ManagerEngineering ManagerUX Designer

Wish

Dunzo Logo

Dunzo

Adyen Logo

Adyen

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2 years ago
Statistics
2 years ago
How can you manipulate a binary function with specific probabilities to yield seven integers with equal chances?
Data Scientist

Wish

Glovo Logo

Glovo

GOJEK Logo

GOJEK

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2 years ago
ML Knowledge
2 years ago
Could you give an overview of what Random Forest is and how it works?
Data Scientist

Wish

Digit Logo

Digit

Figma Logo

Figma

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2 years ago
Statistics
2 years ago
How do you approach selecting the appropriate statistical test for a given problem?
Data Scientist

Wish

Envoy Logo

Envoy

SeatGeek Logo

SeatGeek

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2 years ago
Behavioral
2 years ago
I want to know what you learned from your major failure at work.
Data ScientistData Science ManagerEngineering ManagerUX Designer

Wish

Blackbaud Logo

Blackbaud

Seagate Logo

Seagate

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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

Wish

GoDaddy Logo

GoDaddy

Eventbrite Logo

Eventbrite

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2 years ago
SQL
2 years ago
How would you extract and compute summary statistics such as the average duration and rolling sum from a set of (date, duration) tuples that have been filtered by a particular time period?
Data Scientist

Wish

Samsara Logo

Samsara

GitLab Logo

GitLab

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2 years ago

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

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