Function confusion_matrix

pub fn confusion_matrix(
    y_true: ArrayBase<ViewRepr<&usize>, Dim<[usize; 1]>>,
    y_pred: ArrayBase<ViewRepr<&usize>, Dim<[usize; 1]>>,
) -> ArrayBase<OwnedRepr<usize>, Dim<[usize; 2]>>

Compute confusion matrix