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Old 09-17-2012, 08:39 AM
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yaser yaser is offline
Join Date: Aug 2009
Location: Pasadena, California, USA
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Default Re: Question 15 - bias term

Originally Posted by DavidNJ View Post
What is the bias term in a linear regression? Aren't they solved as the pseudo inverse: inv(x'*x)*x'*y?
It is w_0 in our notation, corresponding to x_0=1 which is the first column of the matrix {\rm X} that is used in the pseudo-inverse.
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