S&P | CCC− | CCC | CCC+ | B− | B | B+ | BB− | BB | BB+ | BBB− |
线性变换 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
对数变换 | −2.944 | −2.197 | −1.735 | −1.386 | −1.099 | −0.847 | −0.619 | −0.405 | −0.201 | 0 |
S&P | BBB | BBB+ | A− | A | A+ | AA− | AA | AA+ | AAA |
|
线性变换 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|
对数变换 | 0.201 | 0.405 | 0.619 | 0.847 | 1.099 | 1.386 | 1.735 | 20197 | 2.944 |
|