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. 2009 Nov 25;18(5):596–603. doi: 10.1038/ejhg.2009.201

Table 1. Type I error rates for the case of a homogeneous population (nominal level α=0.05).

  400 tros 200 CEPHs
  Without LD With LD Without LD With LD
Data-driven weighting 0.051 0.024 0.041 0.029
Exponential weighting 0.047 0.045 0.054 0.033
Top R 0.048 0.052 0.049 0.042

In the top R method, R=20 and in the exponential weighting method, r1=20.