Quote:
Originally Posted by vmathur87
Sorry if my question is naive, but how do I find Ein for regular RBF? I got the weight vector w (of length k+1), but what do I do with it? I know I am missing something simple, but I just can't figure this out. Thanks for any help in advance!

You have the weights so you have the formula for the hypothesis that RBF is implementing. All you need to do is apply it to each input in the data set and check if the value it returns disagrees with the corresponding output. The fraction of training data points on which it disagrees will be
.