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ML Knowledge

3 years ago

What process do you follow for ETL? Can you give me an idea of the steps involved?

Machine Learning Engineer

Cognizant

Snap

Meetup

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3 years ago

ML Knowledge

3 years ago

How do you tune the parameters in DBSCAN to achieve optimal results?

Machine Learning Engineer

Cognizant

Groupon

Babylon Health

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3 years ago

ML Knowledge

3 years ago

To ascertain how well a model is functioning, one can calculate the AUC. How would you suggest we go about calculating AUC for our model?

Machine Learning Engineer

Cognizant

HubSpot

Bosch

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3 years ago

ML Knowledge

3 years ago

What strategies did you use to eliminate multicollinearity and what VIF cut-off did you set?

Machine Learning Engineer

Cognizant

Airbnb

Palo Alto Networks

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3 years ago

ML Knowledge

3 years ago

Explain how the bias-variance tradeoff functions in machine learning, and can you describe a specific scenario where this tradeoff has had a significant effect on a model's performance?

Machine Learning Engineer

Cognizant

Palo Alto Networks

GoCardless

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3 years ago

ML Knowledge

3 years ago

Do you know what separates XGBoosting from traditional boosting techniques?

Machine Learning Engineer

Cognizant

New Relic

GitHub

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3 years ago

ML Knowledge

3 years ago

Can you explain what DMatrix is in XGBoost? How does it differ from other data structures used in gradient boosting?

Machine Learning EngineerData Scientist

Cognizant

Viber

Deloitte

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3 years ago

ML Knowledge

3 years ago

Can you outline the challenges faced during the training of deep neural networks with several layers?

Machine Learning Engineer

Cognizant

Airbnb

AppDynamics

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3 years ago

ML Knowledge

3 years ago

Please distinguish the synopses of Logistic Regression and SVM.

Machine Learning Engineer

Cognizant

Siemens

Qualcomm

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3 years ago

ML Knowledge

4 years ago

What are some of the major assumptions inherent in linear regression models, and what implications do they have for interpreting output?

Machine Learning Engineer

Cognizant

Chime

Anaplan

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4 years ago

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Machine Learning Engineer

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System Design

Cognizant

Machine Learning Engineer

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ML System Design

Cognizant

Machine Learning Engineer

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