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ML Knowledge

2 years ago

What principles or guidelines do you follow when choosing an algorithm for a machine learning challenge?

Machine Learning Engineer

Walmart

Skyscanner

Criteo

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2 years ago

System Design

2 years ago

Construct a news article suggestion tool for Walmart.

Machine Learning EngineerEngineering ManagerTechnical Program ManagerSoftware Engineer

Walmart

Wish

Snapdeal

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2 years ago

ML Knowledge

2 years ago

How would you differentiate between precision and recall in the field of data analysis? Can you think of any scenarios where one of these metrics may be more relevant than the other?

Machine Learning Engineer

Walmart

LogMeIn

Skyscanner

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2 years ago

ML CaseML Knowledge

3 years ago

How reliable is the R-square statistic as a standalone measure for the quality of a linear regression model? Does a low R-square value invariably indicate an inadequate model fit in linear regression?

Machine Learning Engineer

Walmart

Red Hat

Peek

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3 years ago

ML Knowledge

3 years ago

What are the differences between Ridge and Lasso, and how do they manifest?

Machine Learning Engineer

Walmart

LogMeIn

Cloudera

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3 years ago

ML Knowledge

3 years ago

Can you explain the meaning of the coefficients in a logistic regression model?

Machine Learning Engineer

Walmart

Google

Qualtrics

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3 years ago

ML Knowledge

3 years ago

What are your approaches to address high cardinality in categorical datasets?

Machine Learning Engineer

Walmart

Huawei

Adobe

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3 years ago

System Design

3 years ago

What strategies would you use to optimize graph partitioning and data locality in a distributed environment?

Machine Learning Engineer

Walmart

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3 years ago

System Design

3 years ago

Develop a backup and recovery system for distributed environments.

Machine Learning Engineer

Walmart

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3 years ago

ML Knowledge

3 years ago

What makes LSTMs an advancement over RNNs in certain scenarios?

Machine Learning EngineerData Scientist

Walmart

Springboard

Instagram

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3 years ago

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^*All interview questions are submitted by recent Walmart Machine Learning Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by Machine Learning Engineers at Walmart.

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