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week#2 gredent decent

week#2 gredent decent

作者: awakeLives | 来源:发表于2017-06-24 20:18 被阅读0次

a. different starting point may end up with different local minimum points

Feature Scaling:

make gredent decent converge faster (with mean normalization?)

Feature choosing:

ex. know the depth and width of a house, better have a feature of area (=depth*width)

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