建模时如何检测过拟合？

How do you detect overfitting when building a statistical model?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: Machine Learning, Overfitting, Cross Validation

参考答案摘要

Use validation methods such as train/validation split or cross-validation . If training performance is high but validation performance is much worse, the model is likely overfitting.

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