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ML Knowledge
2 years ago
In your experience, what are the challenges associated with the training of deep neural networks with several layers?
Data Scientist

Mastercard

Google

Avito

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2 years ago
Coding
2 years ago
Show me how you would generate a list of all prime numbers below N
Data Scientist

Mastercard

Oracle

Samsung

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2 years ago
Statistics
2 years ago
What are the key factors you would consider when deciding whether to use a Gaussian mixture model for a particular data set?
Data Scientist

Mastercard

CrowdStrike Logo

CrowdStrike

Ticketmaster Logo

Ticketmaster

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2 years ago
ML Knowledge
2 years ago
Would you be able to explain the process of building a KNN classifier on your own?
Data Scientist

Mastercard

Fiverr Logo

Fiverr

Zalora Logo

Zalora

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2 years ago
ML Knowledge
2 years ago
What does log loss indicate in predictive modeling?
Data ScientistMachine Learning Engineer

Mastercard

Datadog Logo

Datadog

DocuSign Logo

DocuSign

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2 years ago
ML Knowledge
2 years ago
Tell me about the DBSCAN algorithm.
Data Scientist

Mastercard

Mozilla Logo

Mozilla

Fitbit Logo

Fitbit

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2 years ago
ML Knowledge
2 years ago
What do you think the ROC curve brings to the table when it comes to machine learning?
Data Scientist

Mastercard

Bosch Logo

Bosch

Slack Logo

Slack

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2 years ago
ML Knowledge
2 years ago
Regarding the vanishing gradient issue, which activation function—ReLU or sigmoid—is preferable?
Data ScientistMachine Learning Engineer

Mastercard

DigitalOcean Logo

DigitalOcean

Faire Logo

Faire

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2 years ago
ML Knowledge
2 years ago
How would you define a Neural Network and describe how it functions?
Data ScientistMachine Learning Engineer

Mastercard

SeatGeek Logo

SeatGeek

Productboard Logo

Productboard

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2 years ago
Coding
2 years ago
Take me through your thought process on leveraging a hash table to solve the two sum problem with a O(n) time complexity.
Data Scientist

Mastercard

Spotify Logo

Spotify

Teradata Logo

Teradata

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2 years ago

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Mastercard

Data Scientist

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Statistics
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Mastercard

Data Scientist

Prepare for Metrics and Experimentation interview at Mastercard

Metrics and Experimentation
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Mastercard

Data Scientist

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ML / Modeling
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Mastercard

Data Scientist

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Problem Solving
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Mastercard

Data Scientist

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SQL
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Mastercard

Data Scientist

Prepare for Resume Review interview at Mastercard

Resume Review
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Mastercard

Data Scientist

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Behavioral

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

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