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ML Knowledge
a year ago
How different are Ridge and Lasso, and in what regards?
Data Scientist

Wish

Apple

Cognizant

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a year ago
Coding
a year ago
Can you create a Python function that adjusts the stream count for songs with a markdown rate?
Data Scientist

Wish

ZocDoc Logo

ZocDoc

Avito Logo

Avito

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a year ago
Coding
a year ago
Show how to use dynamic programming to determine the longest increasing subarray within a given set of numbers.
Data Scientist

Wish

StubHub Logo

StubHub

Chime Logo

Chime

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a year ago
ML Knowledge
a year ago
What does an ROC curve tell you about a model’s performance? What distinguishes the model performance between bagging and boosting?
Data ScientistMachine Learning Engineer

Wish

Zillow Logo

Zillow

Salesforce Logo

Salesforce

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a year ago
Coding
a year ago
Given a DAG, write a function to return the length of the longest path.
Data ScientistMachine Learning Engineer

Wish

Scribd Logo

Scribd

Plaid Logo

Plaid

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a year ago
Coding
a year ago
What technique would you employ to figure out if two strings are one swap away from matching?
Data ScientistMachine Learning Engineer

Wish

Zomato Logo

Zomato

Okta Logo

Okta

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a year ago
Coding
a year ago
Given we only have a random number generator, how could you generate i.i.d. draws from a specific distribution X?
Data Scientist

Wish

ClassPass Logo

ClassPass

HubSpot Logo

HubSpot

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a year ago
Behavioral
a year ago
How did you handle a task where you had a deadline and couldn't meet it?
Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

Wish

Decathlon Logo

Decathlon

NVIDIA Logo

NVIDIA

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a year ago
Statistics
a year ago
How to decompose errors into variance and bias?
Data Scientist

Wish

Convoy Logo

Convoy

Rakuten Logo

Rakuten

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a year ago
Statistics
a year ago
How is a median defined and what method would you utilize to ascertain the median of a dataset that cannot be entirely loaded into memory?
Data Scientist

Wish

Spotify Logo

Spotify

Marqeta Logo

Marqeta

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a year 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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