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Old 10-21-2012, 01:41 PM
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magdon magdon is offline
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Join Date: Aug 2009
Location: Troy, NY, USA.
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Default Re: The expected validation error

The validation error is a number that depends on the validation data. You can take the expectation of this number with respect to the validation data. That is the expected validation error.


Quote:
Originally Posted by tom_bryant View Post
The expected validation error of a classification problem should be a number, right? What is the meaning of calculating the expectation of a constant number with respect to the validation set? As far as I can see, it will be definitely be the same constant number.
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