Table 8. Error rates (%) per cyberbullying subcategory on hold-out for English and Dutch systems.

	Category	Nr. occurrences in hold-out	Profanity baseline	Word n-gram baseline	Best system
English
	Curse	n = 109	14.68	30.28	24.77
	Defamation	n = 21	23.81	47.62	38.10
	Defense	n = 165	22.42	52.12	43.64
	Encouragement	n = 1	0.00	100.00	100.00
	Insult	n = 345	26.67	41.74	35.94
	Sexual	n = 165	63.80	21.47	21,47
	Threat	n = 12	8.33	41.67	25.00
	Not cyberbullying	n = 10,714	36.94	1.10	0.76
Dutch
	Curse	n = 96	39.58	50.00	22.92
	Defamation	n = 6	100.00	66.67	33.33
	Defense	n = 200	52.50	63.50	46.00
	Encouragement	n = 5	40.00	60.00	40.00
	Insult	n = 355	43.38	47.89	28.17
	Sexual	n = 37	37.84	21.62	27.03
	Threat	n = 15	33.33	46.67	20.00
	Not cyberbullying	n = 7,295	15.63	1.23	3.07