Table 2.
Statistical evaluation of PMF model source apportionment factors.
| Diagnostics | 3 factor | 4 factor | 5 factor |
|---|---|---|---|
| Species | TN, NH3-N, NO3−, NO2−, TC, DOC, TDP, PO43- | ||
| Seed value | Random | ||
| QRobust | 569.1 | 355.6 | 178.7 |
| QTrue | 793.5 | 368.7 | 178.7 |
| QRobust/QTrue | 0.72 | 0.96 | 1 |
| N bootstraps in BS | 100 | ||
| DISP %dQ | <0.1 % | <0.1 % | <0.1 % |
| DISP swaps | 2 | 14 | 52 |
| Factors with BS mapping<100 % | Factor3: 95 % | Factor1: 94 %, | Factor1,2,4,5: 99 %,88 %,97 %,97 % |
| BS-DISP Displaced Species | TN, NH3-N, DOC, TDP | ||
| BS-DISP % of Cases Accepted | 98 % | 79 % | 37 % |