Reasons for feature scaling
2016-05-29 20:23
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Feature scaling speeds up gradient descent by avoiding many extra iterations that are required when one
or more features take on much larger values than the rest.
参考:http://stackoverflow.com/questions/26225344/why-feature-scaling
http://xgli0910.blog.163.com/blog/static/46962168201310683159839/
or more features take on much larger values than the rest.
参考:http://stackoverflow.com/questions/26225344/why-feature-scaling
http://xgli0910.blog.163.com/blog/static/46962168201310683159839/
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