Financial Risk Evaluation of Digital Currency Based on CART Algorithm Blockchain

Table 4

Training set confusion matrix.

Confusion matrix		Forecast			Total	Accuracy rate (%)	Error rate (%)
		I	II	III
Actual	I	30	7	0	37	81.08	18.02
	II	8	49	8	65	75.38	24.62
	III	0	9	29	38	76.32	23.68
Total					140	79.51	20.49