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Table 3 Validation of UVEry from ATPRK vs. NASA grids using UVMRP stations by region (1998–2012)

From: Spatiotemporal exposure modeling of ambient erythemal ultraviolet radiation

    

% relative improvement

Region

Prediction model

MAE

RMSE

MAE

RMSE

Northwest

NASA

10.8

10.8

--

--

ATPRK

9.9

9.9

8.7

8.7

Pacific mid-west

NASA

15.6

16.8

--

--

ATPRK

11.6

12.2

25.5

27.4

Southwest

NASA

23.6

26.4

--

--

ATPRK

18.0

22.4

23.8

15.3

North central

NASA

13.4

15.1

--

--

ATPRK

9.8

11.5

27.4

23.7

Mid-central

NASA

21.3

23.7

--

--

ATPRK

17.2

20.0

19.3

15.8

South central

NASA

19.6

22.9

--

--

ATPRK

16.7

19.4

14.6

15.5

Northeast

NASA

17.4

19.2

--

--

ATPRK

13.9

16.5

19.7

14.1

Mid-Atlantic

NASA

14.9

16.4

--

--

ATPRK

14.8

15.8

0.6

3.6

Southeast

NASA

36.9

43.3

--

--

ATPRK

25.3

30.6

31.5

29.4

  1. Abbreviations: ATPRK area-to-point residual kriging, MAE mean absolute error, NASA National Aeronautics and Space Administration, RMSE root mean square error