OpenText Data Scientist Interview Questions
The questions to prepare for a OpenText Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Use CTEs, joins, aggregation, and ROW_NUMBER to find the top three annual spenders in each region.
OpenTextExplain how you used Pandas for data cleaning, null handling, and aggregation in a practical data manipulation workflow.
OpenTextCombine Yes Bank customer, account, and transaction data to summarize successful January credits by account.
Yes Bank
OpenTextWrite a basic PostgreSQL query to count OpenText Archive Center documents by status using GROUP BY.
OpenTextBuild a tokenization, stemming, and lemmatization pipeline for e-commerce reviews and compare their impact on sentiment classification.
OpenTextBuild a review sentiment pipeline using tokenization, normalization, and TF-IDF, and explain which preprocessing steps improve classification.
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Compare two rent prediction models and decide whether MAE or RMSE is the better selection metric given costly large errors.
OpenTextExplain how to evaluate a regression model with RMSE and MAE, and how to interpret the tradeoff between average and large errors.
OpenTextApproach for safely backfilling missing data while preserving correctness, idempotency, and data quality.
OpenTextExplain a practical framework for feature engineering, from raw data to validated features that improve generalization.
OpenText