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Old 04-15-2012, 04:45 PM
folktheory folktheory is offline
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Join Date: Apr 2012
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Default Linear regression - constructing X matrix

Hello, I have a pretty straightforward question.

When we make the X matrix (that we then use to obtain X-dagger), should we include the x0's in there (that is, a column of ones) or do we leave those out?

Thanks
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