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Thread Subject:
some help please!!!!!

Subject: some help please!!!!!

From: yafit maymon

Date: 13 Apr, 2011 14:42:05

Message: 1 of 1

hello!

i am using svm and would like to know how can i run the code wrriten down- number of times (in a loop ) and calculate in the end the average of cp.ErrorRate (which is an item in object cp)- can i keep each time the cp.ErrorRate in a vector ? how can i do it???
thanks!!!

the code is:
 
indices = crossvalind( 'Kfold',groups1,3);
cp = classperf ( groups1 );
for i = 1:3 test = (indices == i); train = ~test
svmStruct = svmtrain ( mat1 ( train,:) , groups1 ( train ), 'kernel_function' ,'quadratic' ,'BoxConstraint',50)
classes = svmclassify ( svmStruct , mat1 (test,:) )
classperf ( cp , classes ,test )
end

yaf

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