Math Treatment | Excellent r2 > 0.90 and RPDc > 3.0 | Good 0.80 < r2 ≤ 0.90 and 2.5 < RPDc ≤ 3.0 | Approximate 0.65 < r2 ≤ 0.80 and 2.0 < RPDc ≤ 2.5 | Poor r2 ≤ 0.65 and RPDc ≤ 2.0 |
| Number of Calibration Model Under Various Categories | |||
0,4,4,1 | 4 | 7 | 7 | 9 |
1,4,4,1 | 11 | 9 | 6 | 1 |
2,4,4,1 | 18 | 2 | 5 | 2 |
0,5,5,1 | 4 | 7 | 6 | 10 |
1,5,5,1 | 11 | 7 | 7 | 2 |
2,5,5,1 | 14 | 8 | 3 | 2 |
0,10,5,1 | 4 | 7 | 6 | 10 |
1,10,5,1 | 10 | 6 | 9 | 2 |
2,10,5,1 | 12 | 7 | 3 | 5 |
| Category-A r2 > 0.80 and RPDc > 2.0 | Category-B r2: 0.50 - 0.80 and RPDc: 1.4 - 2.0 | Category-C r2 < 0.50 and RPDc < 1.4 |
|
0,4,4,1 | 13 | 13 | 1 |
|
1,4,4,1 | 23 | 3 | 1 |
|
2,4,4,1 | 21 | 4 | 2 |
|
0,5,5,1 | 13 | 13 | 1 |
|
1,5,5,1 | 23 | 3 | 1 |
|
2,5,5,1 | 23 | 3 | 1 |
|
0,10,5,1 | 13 | 13 | 1 |
|
1,10,5,1 | 22 | 4 | 1 |
|
2,10,5,1 | 21 | 5 | 1 |
|