Patent ID: 11972552
Assignee: PDF SOLUTIONS, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The method of claim 1, the step of performing variable selection further comprising:
building a plurality of predictive models each corresponding to one of the plurality of pairwise classifier models;
for each predictive model:
ordering by rank the plurality of features associated with corresponding vectors;
run the predictive model a plurality of times for forward variable selection, each time adding one of the plurality of features into the predictive model by rank order, and incorporating the added one feature into the predictive model when it improves accuracy of the predictive model; and
run the predictive model a plurality of times for backward variable selection, each time removing one of the plurality of features by reverse rank order, and reincorporating the removed one feature into the predictive model when accuracy of the predictive model was decreased by its removal.