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ML Knowledge

3 years ago

The practice of cross-validation can help to determine the efficiency of a machine learning model. Are you familiar with this approach?

Data Scientist

Bloomberg

Walmart

Ancestry

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3 years ago

ML Knowledge

3 years ago

How can DBSCAN be applied in real-world scenarios?

Data Scientist

Bloomberg

Mozilla

Fitbit

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3 years ago

Behavioral

3 years ago

Tell me about a time when you had to make an instant decision.

Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Bloomberg

MasterClass

Marketo

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3 years ago

Coding

3 years ago

Write a program to display all the prime numbers less than a given number N.

Data Scientist

Bloomberg

Oracle

Samsung

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3 years ago

Statistics

3 years ago

Out of a set of 6 balls with 4 red ones and 2 blue ones, calculate the probability that the two consecutive picks will yield different colored balls.

Data Scientist

Bloomberg

Anaplan

HelloFresh

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3 years ago

ML Knowledge

3 years ago

What are some of the key methods that Machine Learning professionals use for dimension reduction, and how do they work?

Data Scientist

Bloomberg

Walmart

Viber

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3 years ago

Behavioral

3 years ago

Describe a time when your performance exceeded expectations

Data ScientistProgram ManagerFrontend EngineerFull Stack Software Engineer

Bloomberg

Figma

Duolingo

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3 years ago

Coding

3 years ago

Would you be able to devise a Python class that provides iteration capabilities over sequences?

Data Scientist

Bloomberg

DoorDash

Rovio

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3 years ago

Coding

3 years ago

What is the most efficient way to implement the two sum problem using a hash table and ensure a O(n) time complexity?

Data Scientist

Bloomberg

Spotify

Teradata

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3 years ago

ML Knowledge

3 years ago

Have you ever experienced difficulty when employing supervised machine learning methods and, if so, how did you go about resolving those issues?

Data Scientist

Bloomberg

LendingClub

Atlassian

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3 years ago

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

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