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Old 04-25-2013, 06:39 PM
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yaser yaser is offline
Join Date: Aug 2009
Location: Pasadena, California, USA
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Default Re: bias -variance graph

Originally Posted by Katie C. View Post
As I understand it, the g{\cal D}(x) is a function that was learned from a training data set and is now being evaluated on a new set of x values, is that correct? In fact, I think that all the red xs on slide 8 are from new data that was not used during training. Is that correct?
You are correct on both counts. If you pick the test point x at random, it's statistically certain that it will be different from the two points you used for training.
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