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ML Knowledge
a year ago
How do you handle high-dimensional data sets in machine learning challenges?
Machine Learning Engineer

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Marqeta

Airtable

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a year ago
ML CaseML Knowledge
a year ago
In what ways is R-square an incomplete metric for linear regression analysis? How do you justify a low R-square value in terms of linear regression model fit?
Machine Learning Engineer

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Red Hat

Peek

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a year ago
Coding
2 years ago

Best Time to Buy and Sell Stock

You have access to an array where each element represents the price of a specific stock on a given day. Your objective is to maximize profit by selecting one day to purchase the stock and a different, future day to sell it. Determine and return the maximum profit achievable. If it's impossible to generate a profit, return 0.

Input: prices = [9,3,8,2,7,5]

Output: 5

Explanation: Purchase on day 2 (price = 3) and sell on day 5 (price = 7) for a profit of 7 - 3 = 4.

Machine Learning Engineer

DocuSign

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2 years ago
ML Knowledge
2 years ago
Is the vanishing gradient phenomenon a more significant issue at the start or at the end of a neural network's layers?
Machine Learning Engineer

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eToro Logo

eToro

Wattpad Logo

Wattpad

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2 years ago
System Design
2 years ago
Outline the components of a distributed A/B testing system that ensures statistical validity and prevents experiment collision.
Machine Learning Engineer

DocuSign

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2 years ago
System Design
2 years ago
Design a real-time gaming leaderboard.
Machine Learning Engineer

DocuSign

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2 years ago
Coding
2 years ago
What technique would you apply to compute the dot product of two sparse matrices?
Machine Learning EngineerData Scientist

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Tesla Logo

Tesla

Postmates Logo

Postmates

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2 years ago
ML Knowledge
2 years ago
How have you applied ML frameworks such as TensorFlow or PyTorch in your work?
Machine Learning Engineer

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LogMeIn Logo

LogMeIn

NetEase Logo

NetEase

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2 years ago
ML KnowledgeML Case
2 years ago
Elaborate on the differences between the tabular and multidimensional model, highlighting the one that Azure analysis services endorse?
Machine Learning Engineer

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SoFi Logo

SoFi

Plaid Logo

Plaid

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2 years ago
ML Knowledge
2 years ago
The AUC is a popular measure of a model's performance. Can you elaborate on how to calculate the AUC of a model?
Machine Learning Engineer

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HubSpot Logo

HubSpot

Bosch Logo

Bosch

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2 years ago

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