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. Author manuscript; available in PMC: 2014 May 5.
Published in final edited form as: Behav Genet. 2008 Sep 23;39(1):91–100. doi: 10.1007/s10519-008-9229-9

Fig. 2.

Fig. 2

Graphical summary of the analyses of the univariate data sets. Rows: 1st results from a normally distributed continuous variable, 2nd a highly skewed continuous variable resulting from threshold based ascertainment, 3rd a normally distributed continuous variable with EDAC sampling, 4th a binary variable with a 20% prevalence. Columns (left to right): The bivariate distribution of the phenotypic values (the trait value of sibling 1 is shown on the y axis while sibling 2 is shown on the x axis, a pair-wise prevalence graph is given for the binary data); for P-values <0.1 asymptotic P-values graphed against empirical P-values from 5,000 permutations/locus (with x = y reference line); for P-values <0.1 mixture distribution P-values graphed against empirical P-values from 5,000 permutations/locus (with x = y reference line)