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Evaluation Metrics For Classification Task: Must-Know Questions and Answers for Data Science Interviews
Latest   Machine Learning

Evaluation Metrics For Classification Task: Must-Know Questions and Answers for Data Science Interviews

Last Updated on August 29, 2025 by Editorial Team

Author(s): Ajit

Originally published on Towards AI.

Evaluation Metrics For Classification Task: Must-Know Questions and Answers for Data Science Interviews

Classification metrics are the cheat codes to figure out if your machine learning model is actually doing a good job or just pretending to. Whether you’re building a spam detector, a health diagnosis tool, or trying to make sense of what people are feeling online, knowing how to measure your model’s performance is key. In this article, I’m sharing some must-know questions and answers that often pop up in data science interviews.

Evaluation Metrics For Classification Task: Must-Know Questions and Answers for Data Science Interviews

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The article discusses various classification metrics essential for evaluating machine learning models in the context of data science interviews. It covers important topics such as confusion matrices, accuracy, precision, recall, F-scores, ROC curves, and more, providing a comprehensive understanding of how to assess model performance effectively. Each section includes common questions and detailed answers, offering insights into practical scenarios, the trade-offs between different metrics, and best practices for model evaluation.

Read the full blog for free on Medium.

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