what is the purpose of indicator function (I) in AdaBoost.M1 in Matlab 2011a??..

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sani ars 2012-6-14

I want to know about the indicator function (I) that is used in Adaboost.M1 Matlab 2011a....

This is used when we are calculating error rate of the weak learner...

I searched for it but unable to get the basic idea and purpose of that function i.e. why is it going to be used in AdaBoost.M1??..

Matlab 2011a's documentation is not providing sufficient information about it....

can u plz tell what is it??.. what is its purpose??... what will happen if we ignore it??..

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