Asked by shah
on 19 Aug 2014

SVMModel = fitcsvm(X,Y,'KernelFunction','rbf','Standarize',true,'ClassNames',{'negClass','posClass'}); Undefined function 'fitcsvm' for input arguments of type 'cell'.

In the description of fitcsvm ,Y can be a categorical or character array, logical or numeric vector, or cell array of strings is mentioned how can I build it to be ready to fit in fitcsvm. my x is 6*12 and y=[1;1;1;-1;-1;-1]; for which I get error.It also has mentioned that Y — Array of class labels with each row corresponding to the value of the corresponding row in X. Y can be a character array, categorical, logical or numeric vector, or vector cell array of strings. Column vector with each row corresponding to the value of the corresponding row in X. How can I build Y be a "character array, categorical, logical or numeric vector, or vector cell array of strings"

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Answer by Shashank Prasanna
on 19 Aug 2014

What version of MATLAB are you using? fitcsvm was introduced in MATLAB R2014a. If you are using an earlier version of MATLAB you may have to use svmtrain:

http://www.mathworks.com/help/stats/support-vector-machines.html

You can check the version of MATLAB by typing:

>>ver

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Shashank Prasanna
on 21 Aug 2014

Shashank Prasanna
on 22 Aug 2014

shah, this is confusing, you just mentioned that you don't have R2014a if your previous post.

In any case, if you have the toolbox you should be able to access svmtrain function. If you can't then you may have a path issue, try the following:

>> restoredefaultpath

>> rehash tolboxcache

If you still have trouble, I recommend contacting technical support. I also recommend trying some example code from the documentation directly to make sure it is not working after the above steps.

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