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ML Knowledge
a year ago
Why is the curse of dimensionality a problem in analytics, and how would you go about rectifying it?
Data Scientist

Wealthfront

Groupon

New Relic

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a year ago
SQL
a year ago
What SQL expression would you use to find rows in a database where the names begin with 'H'?
Data Scientist

Wealthfront

American Express Logo

American Express

Zendesk Logo

Zendesk

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a year ago
ML Knowledge
a year 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?
Data Scientist

Wealthfront

Deloitte Logo

Deloitte

Virta Logo

Virta

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a year ago
ML Knowledge
a year ago
What did you use to remove multicollinearity? Explain what values of VIF you used?
Data Scientist

Wealthfront

Nuro Logo

Nuro

ClassPass Logo

ClassPass

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a year ago
ML Knowledge
a year ago
Could you share your experiences in utilizing TensorFlow or PyTorch for ML tasks?
Data Scientist

Wealthfront

Cure.Fit Logo

Cure.Fit

Ripple Logo

Ripple

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a year ago
Behavioral
a year ago
Would you change anything to make Wealthfront better?
Data Scientist

Wealthfront

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a year ago
Statistics
a year ago
How does the magnitude of correlation between two type predictors affect the regression coefficients and the confidence intervals in logistic regression?
Data Scientist

Wealthfront

Zomato Logo

Zomato

Palo Alto Networks Logo

Palo Alto Networks

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a year ago
ML Knowledge
a year ago
How do you address the difficulties that arise when training deep neural networks with multiple layers?
Data Scientist

Wealthfront

Google Logo

Google

Avito Logo

Avito

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a year ago
Statistics
a year ago
Explain the process of determining the number of certain steps in a Markov chain walk.,
Data Scientist

Wealthfront

Meta Logo

Meta

Slack Logo

Slack

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a year ago
ML Knowledge
a year ago
Can you describe the use of information theory in the analysis of language models, and provide a
Data Scientist

Wealthfront

Glovo Logo

Glovo

Walmart Logo

Walmart

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a year ago

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

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