Hello,

I'm using an SVM for predicting a model, but I'm most interested in the probability output. This is easy enough to calculate.

My challenge is how to measure the relative performance of the SVM for different settings/parameters/etc.

An AUC curve comes to mind, but I'm NOT interested in predicting true vs false. I am interested in finding the most accurate probability predictions possible.

I've seen some literature where the probability range is cut into segments and then the predicted probability is compared to the actual. This looks nice, but I need a more tangible numeric measure. One thought was a measure of "probability accuracy" for each range, but how to calculate this.

Any thoughts?

-N

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