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Table 3 Estimated α-levels for the Gumbel approximation for different parameters for the space-time scan, corresponding to five nominal α-levels.

From: Gumbel based p-value approximations for spatial scan statistics

       Nominal alpha
Number of cases Maximum circle size Maximum cluster length Region Probability Model Number of Monte Carlo replicates 0.00001 0.0001 0.001 0.01 0.05
600 50% 7 days NE counties Space-time Permutation 99 0.000003 0.00004 0.0006 0.008 0.051
      999 0.000006 0.00007 0.0009 0.010 0.053
      9999 0.000003 0.00005 0.0007 0.009 0.051
600 50% 7 days NE counties Space-time Poisson 99 0.000002 0.00005 0.0007 0.010 0.051
      999 0.000006 0.00007 0.0008 0.010 0.051
      9999 0.000003 0.00004 0.0006 0.008 0.049