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The results of the manually selected 3× weightings on virtual mixture source apportionment.
| Tracers weighted | Improved basic fingerprint apportionment | Improved conservative fingerprint apportionment | Improved high variability fingerprint apportionment | |
|---|---|---|---|---|
| Two-cluster | RI | Yes | Yes | Yes |
| Three-cluster | HRGB, CI | Yes | Yes | No |
| Four-cluster | χARM, BackIRM | No | No | No |
| Geology classification 1 | BackIRM | Yes | Yes | No |
| Geology classification 2 | BackIRM, G | No | – | – |
