Guardian Life Data Scientist Interview Questions
The questions to prepare for a Guardian Life Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Tests your ML validation strategy and techniques to control generalization error.
Guardian LifeExplain how to preprocess unstructured text and turn it into usable features and models for tasks like classification and entity extraction.
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Compare two rent prediction models and decide whether MAE or RMSE is the better selection metric given costly large errors.
Guardian LifeDiagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
Guardian LifeAssesses your ability to translate modeling work into business and customer impact for Guardian Life.
Guardian LifeTests your experimental design skills for customer-facing insurance process changes.
Guardian LifeTests your SQL window function skills for time-based aggregations and feature engineering.
Guardian LifeTests your understanding of Python object copying semantics and side effects.
Guardian LifeCalculate each user's seven-day rolling average of daily events using PostgreSQL window functions.
BounteousFFreelancerBBoston Tech IndiaCalculate monthly credit utilization, running totals, and three-month moving averages for TransUnion customers.
TransUnion
Equifax
CNACombine user records with filtered activity to calculate counts, value totals, recency, and activity status.
ByteDance