The Spider Objects

 
 
 
 
   
  Wilcoxon object - significance test of results
   
 


    A=wilcoxon(D,[L]) calculates the statistical significance of the median
    loss being greater than competitors for groups of results (data objects)
    D, with loss function/type L.  
  
    NOTE: Assumes you have the Matlab stats package, uses signrank.
  
    Examples:
      d=gen(toy);
      wilcoxon(train(cv({svm knn}),d))     or is equivalent to below  
      train(wilcoxon(cv({svm knn})),d)     or is equivalent to below  
      train(chain({ group(cv({svm knn}),'all') wilcoxon  }),d)