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logistic regression的dataset对新手太不友好了…… #2

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aaaron7 opened this issue Dec 30, 2017 · 0 comments

aaaron7 commented Dec 30, 2017

直接用minimize跑还行，要是用朴素的递归下降很难跑出又快又好的结果。要么learning rate太大，导致无法收敛，要么得跑个十万次才能收敛到能接受的结果（还是实现了变长learning rate的前提下）

一度以为我代码有问题……

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