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ML CaseML Knowledge

2 years ago

Give an account of the contrast between multidimensional and tabular models, and explain which of the models is backed up by Azure analysis services?

Data Scientist

Cognizant

ServiceNow

Ticketmaster

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2 years ago

Coding

2 years ago

What is your approach to identifying the shortest subarray with a sum greater than or equal to a target, using greediness?

Data ScientistMachine Learning Engineer

Cognizant

AT&T

SAP Concur

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2 years ago

Behavioral

2 years ago

I want to know a story about a time when you had to make a quick decision.

Data ScientistFrontend EngineerProgram ManagerFull Stack Software Engineer

Cognizant

MasterClass

Marketo

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2 years ago

Statistics

2 years ago

Why is multicollinearity a problem in regression models?

Data Scientist

Cognizant

Stitch Fix

NetEase

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2 years ago

ML CaseML Knowledge

2 years ago

Can you outline the stages of implementing a machine learning model into a production environment?

Data Scientist

Cognizant

Zendesk

Walmart

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2 years ago

Coding

2 years ago

Could you illustrate how to implement a binary search and elaborate on its time complexity? Is there potential for making it more efficient?

Data Scientist

Cognizant

Bitdefender

Mailchimp

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2 years ago

Statistics

2 years ago

How might demographic differences between the control and variant groups affect the overall outcomes of an A/B test?

Data Scientist

Cognizant

Dollar Shave Club

Rivian

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2 years ago

Statistics

2 years ago

What sets apart likelihood and probability from one another?

Data Scientist

Cognizant

LendingClub

NetApp

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2 years ago

Behavioral

2 years ago

How did you come to find out you needed a new job?

Data ScientistEngineering ManagerUX DesignerUX Researcher

Cognizant

Sanmina

Dollar Shave Club

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2 years ago

ML Knowledge

2 years ago

Can you narrate your journey with machine learning tools like TensorFlow or PyTorch?

Data Scientist

Cognizant

Cure.Fit

Ripple

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2 years ago

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

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