. Author manuscript; available in PMC: 2008 Dec 1.

Published in final edited form as: Environ Ecol Stat. 2008 Dec;15(4):421–446. doi: 10.1007/s10651-007-0064-6

Table 4.

Average of the reference boundary statistic values and the estimates obtained using five alternate approaches. The average, minimum and maximum value of the statistic calculated over 25 simulated rate maps are reported.

Predictor	Average	Minimum	Maximum
Reference value	0.1019
Raw rates	0.5263	0.4826	0.5664
Empirical Bayes	0.1200	0.0954	0.1476
Poisson kriging	0.0937	0.0742	0.1187
Statistic Δ^E_αβ	0.0938	0.0743	0.1189
Statistic Δ^s_αβ	0.1329	0.0990	0.1750