Confusion matrix misclassification problem

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sprklspring
sprklspring 2018-10-3
重新打开： Walter Roberson 2018-12-22
I noticed that when one of the classes (complete testing set for one class) gets fully misclassified for other classes, the confusion matrix, instead of showing what it's been misclassified with, sets the whole class row to 0. I am using knn for the classification.

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ANKUR KUMAR
ANKUR KUMAR 2018-10-3
To get rid of singeton matrix, use squeeze or purmute.
A=randi(10,25,1,20);
size(A)
ans =
25 1 20
B=squeeze(A);
size(B)
ans =
25 20
C=permute(A,[1,3,2]);
size(C)
ans =
25 20

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