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SQL

2 years ago

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

Data Scientist

ByteDance

Riot Games

Expedia

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2 years ago

ML CaseProduct Case

2 years ago

How do you quantify the factors affecting the ride requests of the company?

Data Scientist

ByteDance

Square

Quantcast

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2 years ago

Coding

2 years ago

I'd like you to create a function that takes an array of integers and a target value and returns all the triplets whose sum equals the target value.

Data Scientist

ByteDance

Amazon Web Services

Criteo

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2 years ago

ML Knowledge

2 years ago

Describe the purpose of cross-validation and its relationship to machine learning models?

Data Scientist

ByteDance

ZocDoc

Binance

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2 years ago

Statistics

2 years ago

How do normal and Poisson distributions function, and what separates the two statistically?

Data Scientist

ByteDance

InVision

Andela

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2 years ago

Coding

2 years ago

Could you devise a method to flip a string's characters?

Data ScientistMachine Learning Engineer

ByteDance

Skyscanner

StubHub

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2 years ago

ML Knowledge

2 years ago

What do you understand by the term perceptron?

Data Scientist

ByteDance

Blend

Lattice

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2 years ago

Statistics

2 years ago

Tell me how you could do A/B test if we see a 3% increase in usage for the product?

Data Scientist

ByteDance

Productboard

Novartis

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2 years ago

ML Knowledge

2 years ago

Can you outline what sets DMatrix apart in XGBoost compared to other data structures in similar boosting techniques?

Data ScientistMachine Learning Engineer

ByteDance

Viber

Deloitte

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2 years ago

ML Knowledge

2 years ago

Can you differentiate the purposes of k-means clustering versus k-nearest neighbor techniques?

Data Scientist

ByteDance

Mozilla

Palantir Technologies

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2 years ago

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