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中文切词方法学习 | doudou0o blog

https://www.doudou0o.com/archives/d5955c4c.html

前段时间有小伙伴问了我好几次中文切词是怎么切的,我想着应该是我没表达清楚所以小伙伴才会重复问多次,是我表达能力不够,临时说也说不上来。所以就写一篇了简单的中文切词方法的短文,一方面是锻炼下自己的表达能力,另一方面下次小伙伴再问就直接扔给他Y(^o^)Y

特征处理之(四):缺失值和组合 | doudou0o blog

https://www.doudou0o.com/archives/a06283d5.html

数据和特征决定了机器学习的上限,而模型和算法只是逼近这个上限而已!很多情况下,数据总有可能缺失,但是若是放任不管可能造成严重的后果甚至模型无法收敛,所以我们得利用已有的信息进行数据填充来降低损失。特征组合是将不同的特征进行组合,生成新的特征,这种方式能提升模型更大的非线性能力和拟合能力。

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