OneMain Financial Data Scientist Interview Experience — Four Rounds, All Correct, Then Ghosted
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Practice the questions from this interview
Differentiate and control Type I/II errorsStatistics & Math
Select and tune XGBoost hyperparametersMachine Learning
Handle missing data and outliers robustlyMachine Learning
Choose evaluation metrics for imbalanced risk modelMachine Learning
Write SQL for cohort retention and ARPUData Manipulation (SQL/Python)
Transform clickstream with pandas sessionizationData Manipulation (SQL/Python)
Optimize SaaS pricing and profitAnalytics & Experimentation
Maximize credit card portfolio profitAnalytics & Experimentation
Implement an LRU cache with O(1) opsCoding & Algorithms
Present a project to non-technical leadersBehavioral & Leadership
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