4. The method of claim 3 , comprising combining the first class designation, the second class designation and the third class designation to generate a confidence metric.
4. The method of claim 3 , comprising combining the first class designation, the second class designation and the third class designation to generate a confidence metric. 5. The method of claim 4 , wherein the combining of the first class designation, the second class designation and the third class designation to generate a confidence metric comprises taking the ratio of: the weights for class designations equal to the overall class designation; to the total of the weights for the first class designation, the second class designation and the third class designation.