Table 4 κ values for the subject's classification in the TTHM exposure categories obtained from the six assignment methods for each distribution system
System name | Comparison of methods applied at the same space scale | Comparison of methods applied at a different space scale | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sub-system | System | ||||||||||||||
A-B | A-C | A-D | B-C | B-D | C-D | E-F | A-E | B-E | C-E | D-E | A-F | B-F | C-F | D-F | |
AR | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.07 | 0.63 | 0.63 | 0.63 | 0.63 | 0.02 | 0.09 | 0.09 | 0.09 |
CH | 0.98 | 0.96 | 0.98 | 0.94 | 1.00 | 0.94 | 0.66 | 0.86 | 0.84 | 0.90 | 0.84 | 0.64 | 0.64 | 0.65 | 0.64 |
DE | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.56 | 0.82 | 0.82 | 0.82 | 0.82 | 0.52 | 0.52 | 0.52 | 0.52 |
LZ | 0.99 | 0.97 | 0.99 | 0.96 | 1.00 | 0.96 | 0.22 | 0.71 | 0.70 | 0.74 | 0.70 | 0.12 | 0.13 | 0.14 | 0.13 |
STF | 1.00 | 1.00 | 1.00 | 0.99 | 1.00 | 0.99 | 0.52 | 0.58 | 0.58 | 0.59 | 0.58 | 0.39 | 0.39 | 0.39 | 0.39 |
LE | 0.93 | 0.85 | 0.93 | 0.78 | 1.00 | 0.78 | 0.78 | 0.85 | 0.78 | 1.00 | 0.78 | 0.93 | 1.00 | 0.78 | 1.00 |
SR | 0.94 | 0.92 | 0.94 | 0.85 | 1.00 | 0.85 | 0.61 | 0.90 | 0.84 | 0.98 | 0.84 | 0.58 | 0.58 | 0.60 | 0.58 |
LS | 0.79 | 0.70 | 0.43 | 0.50 | 0.47 | 0.37 | 0.27 | 0.70 | 0.50 | 1.00 | 0.37 | 0.34 | 0.38 | 0.27 | 0.81 |
QC | 0.92 | 0.87 | 0.77 | 0.79 | 0.80 | 0.72 | 0.51 | 0.82 | 0.77 | 0.89 | 0.67 | 0.57 | 0.60 | 0.52 | 0.71 |