Table 2

Cross-validation error

Linear regression

Universal kriging

Bayesian kriging


RMSE (range)

RMSE (range)

RMSE (range)


Tmax (°C)

1.24 (0.71–2.13)

1.25* (0.74–2.20)

1.23 (0.76–2.39)

Tmin (°C)

1.69* (0.77–3.15)

1.71* (0.77–3.15)

1.83* (0.88–3.16)

Precipitation (mm)

69.2* (13.4–210.3)

65.8* (13.4–210.3)

62.2* (13.4–194.6)


*models significantly different by Bonferroni-corrected paired t test (α = 0.5)

Johansson and Glass International Journal of Health Geographics 2008 7:52   doi:10.1186/1476-072X-7-52

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