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LUR, BME kriging, and BME-LUR models leave-one-station-out cross-validation results for year 2005 [n = 30 O3 monitoring stations (3,980 estimated points)].
| Method | R2 | RMSE (ppb) | PCMSE |
|---|---|---|---|
| LUR | 0.466 | 8.747 | –19.9% |
| BME kriging | 0.414 | 9.164 | –23.0% |
| BME-LUR | 0.653 | 7.057 | — |
