python3 confusion.py --csv=files/names/allnoundefined+header.csv --jsondownloaded=files/names/genderizefiles_names_allnoundefined.csv.json --api=genderize
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
Genderize confusion matrix:

[[ 3590, 128, 93 ]
 [ 174, 1769, 25 ]]
