. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: J Air Waste Manag Assoc. 2017 Jan;67(1):86–95. doi: 10.1080/10962247.2016.1230079

Table 1.

Prediction accuracy for 10-fold cross validation (CV) trials of Stage 1 calibration model.

Trial	CV R²	CV R² _Spatial	CV R² _Temporal	RMSPE^a (m)
1	0.83	0.96	0.73	580.5
2	0.67	0.89	0.56	831.8
3	0.71	0.86	0.67	795.6
4	0.76	0.60	0.63	679.4
5	0.74	0.77	0.60	703.6
6	0.67	0.84	0.51	886.5
7	0.76	0.98	0.64	816.2
8	0.63	0.94	0.51	909.3
9	0.64	0.95	0.55	913.3
10	0.71	0.63	0.51	798.2
Mean	0.71	0.87	0.60	790.7

Root of the mean squared prediction errors.