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A question about CH5

1

"验证集方法缺点：错误率依赖于采样变动较大，训练集少，**低估**了错误率", 我记得书中说的是会**高估**错误率，因为只用了少量数据进行拟合

AllanYCG

Something wrong with Markdown

1

Thanks for your notes first~ Something wrong with the grammar of markdown so the code in this formula cannot display correctly.

geekinglcq