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SQL

4 years ago

Write an SQL query to determine the average order value for customers based in the United States who have made 3 or more orders in the last month, using a join between the "orders" and "customers" tables.

Data Scientist

Juul Labs

Rakuten

Citrix

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4 years ago

Coding

4 years ago

Can you write a program that finds the subarray of length k with the maximum sum from a given array of integers?

Data Scientist

Juul Labs

Splunk

Cloudera

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4 years ago

ML Knowledge

4 years ago

How confident are you in your skills to construct a KNN classifier from scratch?

Data Scientist

Juul Labs

Fiverr

Zalora

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4 years ago

ML Knowledge

4 years ago

How does the backpropagation method function step-by-step in neural network optimization?

Data Scientist

Juul Labs

Quantcast

Citrix

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4 years ago

ML Knowledge

4 years ago

What are some key factors you consider when choosing between Lasso and Ridge regression?

Data Scientist

Juul Labs

Riot Games

Swiggy

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4 years ago

Behavioral

4 years ago

What have you learned from a recent failure? How has this failure helped you to become a better Data Scientist?

Data Scientist

Juul Labs

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4 years ago

Statistics

4 years ago

In a four-story building, suppose four people enter the elevator; what is the probability that they all exit on different floors?

Data Scientist

Juul Labs

Snap

Rivian

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4 years ago

Coding

4 years ago

How would you go about coding a functional hash table in Python?

Data Scientist

Juul Labs

Cleo

Cruise

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4 years ago

ML Knowledge

4 years ago

In neural networks, are the initial layers or the deeper layers more often affected by the problem of vanishing gradients?

Data Scientist

Juul Labs

Robinhood

Outbrain

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4 years ago

SQL

4 years ago

Discuss how you would improve the execution time of a lackadaisical SQL query.

Data Scientist

Juul Labs

Twitch

Grafana Labs

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4 years ago

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