A Corporate Credit Rating Model Using Support Vector Domain Combined with Fuzzy Clustering Algorithm

Table 1

Prior bond rating prediction using AI techniques.

Research	Number of categories	AI methods applied	Data source	Samples size
[20]	2	BP	U.S	30/17
[21]	2	BP	U.S	126
[22]	3	BP	U.S (S&P)	797
[17]	6	BP, RPS	U.S (S&P)	110/60
[23]	6	BP	U.S (S&P)	N/A
[24]	6	BP	U.S (Moody’s)	299
[25]	5	BP with OPP	Korea	126
[26]	6	BP, RBF	U.S (S&P)	60/60
[27]	5	CBR, GA	Korea	3886
[28]	5	SVM	U.S (S&P)	N/A
[29]	5	BP, SVM	Taiwan, U.S	N/A