# Explain training and testing data | Aced

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Source: https://www.aced.io/questions/4347/training-testing-data
Source observed: 2026-11-05T01:41:22.889Z
Last checked: 2026-11-05T01:41:22.889+00:00
Indexed: 2026-11-07T03:24:28.174+00:00

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# Explain training and testing data

We are Aced, formerly Exponent. We provide interview preparation through courses, question practice, expert answer videos, coaching, and community features.

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## Related questions

- [Explain data drifting.](https://www.aced.io/questions/3486/explain-data-drifting)
- [Explain cross-validation and testing in logistic regression.](https://www.aced.io/questions/3404/explain-cross-validation-testing-logistic-regression)

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