Quote:
Originally Posted by jhmiller@tricity.wsu.edu
Thanks a million. I assume the mean square error between f and g is restricted to the range of xvalues where training data exist. Is this correct?

Correct, but the cause and effect is the other way around. The training data lies within the range of xvalues where the meansquared error is computed, namely the input space
which is a finite range in this case.