Figure 1.

P-P plot of SNP level results. p values of correlation among couples are plotted for all SNPs as a function of the normal distribution. The black line is equal to the expectation on H0. Overall, the data follows the normal distribution with an excess in the tail at p < 10-4.

Khankhanian et al. BMC Genomics 2010 11:626   doi:10.1186/1471-2164-11-626
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