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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Risk Anal. 2014 Dec 9;35(5):901–918. doi: 10.1111/risa.12317

Table III.

Results of LOOCV for Each Monitoring Station

Air Quality Station ID (Station Removed) Model Constant (μg/m3) VKT parameter (μg/m3 VKT) Predicted PM2.5 (μg/m3) Actual (Imputed) PM2.5 (μg/m3) Square Error (μg2/m6)
37-183-0015 8.90 0.0445 9.7 8.9a 0.5
37-183-0003 8.89 0.0392 12.3 13.4a,b 1.2
37-183-0014 8.76 0.0483 11.1 10.2 0.8
37-183-0020 8.25 0.0541 8.7 10.0 1.7
37-135-0007 8.62 0.0466 10.8 11.7a 0.7
37-037-0004 8.79 0.0458 9.2 8.9 0.1
37-063-0001 8.61 0.0516 12.6 11.9a 0.6
37-063-0015 8.72 0.0472 10.4 10.2 0.1
a

Time series imputed value

b

PM2.5:PM10 imputed value

Root MSE (μg/m3): 0.84

Correlation of Predicted to Observed: 0.82 (p < .05)