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\n2.\u504f\u5dee\uff0c\u65b9\u5dee\uff1a\u8ba4\u8bc63\u79cd\u72b6\u6001\u3002
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\n\u201c\u9002\u5ea6\u62df\u5408just right\u201d
\n\u201c\u8fc7\u5ea6\u62df\u5408(overfitting)\u201d(\u65b9\u5dee\u9ad8high variance)
\n\"\"<\/p>\n

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