Compute confusion matrix for classification problem
uses C
= confusionmat(group
,grouphat
,'Order'
,grouporder
)grouporder
to order the rows and columns of
C
.
Use confusionchart
to calculate and plot a confusion matrix.
Additionally, confusionchart
displays summary statistics
about your data and sorts the classes of the confusion matrix according to the
class-wise precision (positive predictive value), class-wise recall (true
positive rate), or total number of correctly classified observations.