[R] Agreement accuracy

[Mohan Radhakrishnan]

Hi,

I have trained my data using two models(gbm and rf). I get the accuracies
shown below.

How does one get the aggreement accuracy%  ? Is that the comparison of the
two confusion matrices ?




Confusion Matrix and Statistics


          Reference

Prediction  1  2  3  4  5  6  7  8  9 10 11

        1  33  1  0  0  0  0  0  0  0  0  0

        2  13 17  4  0  0  0  0  0  0  0  0

        3   0  3 25  3  0  0  0  0  0  0  3

        4   0  0  0 29  0  5  0  0  0  0  0

        5   0  0  0  0 18  4 10  0  0  0  2

        6   0  0  0  7  2 16  3  0  0  0  6

        7   0  0  3  1  1  0 26  3  0  0  0

        8   0  0  0  0  0  0  2 25  3  4  0

        9   0  0  0  0  0  0  2  1 21 10  0

        10  0  0  0  0  0  0  1  0  9 24  0

        11  0  0  0  0  2  4  0  0  2  0 26


Overall Statistics



               Accuracy : 0.6952

--------------------------------------------------------------------------------------------------

Confusion Matrix and Statistics


          Reference

Prediction  1  2  3  4  5  6  7  8  9 10 11

        1  34  0  0  0  0  0  0  0  0  0  0

        2   9 19  6  0  0  0  0  0  0  0  0

        3   0  1 33  0  0  0  0  0  0  0  0

        4   0  0  0 30  0  4  0  0  0  0  0

        5   0  0  0  0 21  4  8  0  0  0  1

        6   0  0  0  6  3 22  0  0  0  0  3

        7   0  0  3  0  1  0 24  5  1  0  0

        8   0  0  0  0  0  0  1 32  1  0  0

        9   0  0  0  0  0  0  0  0 25  9  0

        10  0  0  0  0  0  0  1  0  8 25  0

        11  0  0  0  0  0  0  0  0  2  0 32


Overall Statistics



               Accuracy : 0.7941

Thanks,
Mohan

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