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关于alphaFM输出model的疑问 #6

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jingbao12 opened this issue Oct 27, 2017 · 4 comments
Open

关于alphaFM输出model的疑问 #6

jingbao12 opened this issue Oct 27, 2017 · 4 comments

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@jingbao12
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关于alphaFM输出的model,偏移量为三个值。但无论是FM还是LR,偏移量不都应该只有一个w0嘛?
另,当dim设置为 1,1,0时,是标准的LR。那为什么featurename对应的也是3个值?
谢谢~

@CastellanZhang
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README里有模型文件格式说明。

@jingbao12
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README中说第一行是bias的参数:bias w w_n w_z
我想请教的是为什么是3个值?

@slimtom95
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w 通过ftrl更新,w_n w_z都是用来迭代计算的 不存到model里下次怎么增量学习呢

@FuzuoZhang
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想接着这个问题请教一下,在model输出的每行feature参数中,最终的embedding参数是v1 v2 ... vf 呢?还是后面的v_n1 v_n2 ... v_nf呢?看起来应该是前者更合理,但是名称让人感觉似乎是后者?谢谢楼主

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