Credit Rating Model of Small Enterprises Based on Optimal Discriminant Ability and Its Empirical Study

Table 6

Credit rating results based on customer number distribution.

(1) No.	(2) Sample proportion	(3) Credit rating	(4) Credit score interval	(5) Interval length	(6) LGD (%)
1–249	8	AAA	[88.2830, 100.0000]	11.7170	0.00
250–747	16	AA	[84.7585, 88.2830)	3.5245	0.00
748–1680	30	A	[79.6458, 84.7585)	5.1127	0.89
1681–2178	16	BBB	[75.9311, 79.6458)	3.7147	0.37
2179–2489	10	BB	[69.2688, 75.9311)	6.6623	12.11
2490–2738	8	B	[57.0115, 69.2688)	12.2573	8.64
2739–2925	6	CCC	[50.3302, 57.0115)	6.6813	31.03
2926–3049	4	CC	[44.3122, 50.3302)	6.0810	31.28
3050–3111	2	C	[0, 44.3122)	44.3122	32.04