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. 2012 Dec 24;3:300. doi: 10.3389/fgene.2012.00300

Table 2.

Type I error rates of meta-analysis with five studies for different allele frequencies in the two subpopulations.

Frequency 10−5 10−6
Population 1 (2) PCA 1 GC 2 GC PCA 1 GC 2 GC
Ran(ran) 9.89e–6 7.48e–6 8.13e–6 1.04e–6 6.30e–7 7.20e–7
0.4 (0.2) 1.00e–5 0.418 0.426 9.90e–7 0.195 0.203
0.6 (0.2) 1.01e–5 1.00 1.00 1.03e–6 0.999 1.00
0.8 (0.2) 1.01e–5 1.00 1.00 9.78e–7 1.00 1.00