What does an MSE of 0 signify in machine learning?

By: USER6285
27 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
What does an MSE of 0 signify in machine learning?
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An MSE of 0 indicates a perfect fit between the predicted values and the actual values. This means that for every data point in the evaluation set, the model's prediction was exactly the same as the true value. In practice, achieving an MSE of exactly 0 is rare, especially with real-world noisy data.
Answered on 27 Agustus 2025

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