TreeBagger Cost input argument is not recognized

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marta prati
marta prati 2018-12-3
A similar question was already posted, but without satisfying replies.
The TreeBagger function seems not to catch the Cost name-pair input argument, as it should do following the documentation. Even if I specify the matrix cost I need (I have unbalanced classes), in the output structure the cost matrix is the default one [0 1;1 0].
Does anyone know how to solve this issue?
Thank you for your help!

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