A confusion matrix C is such that Ci,j is equal to the number of observations known to be in group i but predicted to be in group j.
If the classifier is nice, the diagonal is high because there are true positives
Namsor confusion matrix:

[[ 1, 0, 0]
 [ 0, 5, 0]]

Genderize confusion matrix:

[[ 1, 0, 0]
 [ 0, 5, 0]]

Genderapi confusion matrix:

[[ 1, 0, 0]
 [ 0, 5, 0]]

Gender Guesser confusion matrix:

[[ 1, 0, 0]
 [ 0, 5, 0]]

Damegender confusion matrix:

[[ 1, 0, 0]
 [ 0, 5, 0]]

