SPIDER The Spider Objects

ONE_VS_ONE object

   A=ONE_VS_ONE(C,H) returns an one_vs_one object which trains several 
   algorithm C on pairwise problems of class i against class j, 
   and is initialized with hyperparameters H. The classifiers are combined
   by outputting the class with the most votes.
    child=svm            -- classifier to use for each sub-problem
    train, test, get_w  

Reference : Multi-class Support Vector Machines
Author : Jason Weston , C. Watkins
Link : http://citeseer.ist.psu.edu/8884.html