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onemain_financial

27 interview questions available

Walk through a DS project end-to-end

Explain Type I vs Type II errors

Detect and address multicollinearity

Explain decision trees and tree ensembles

Present a project to non-technical leaders

Implement an LRU cache with O(1) ops

Maximize credit card portfolio profit

Optimize SaaS pricing and profit

Transform clickstream with pandas sessionization

Write SQL for cohort retention and ARPU