Figure 2.

Histograms of module sizes (Int-PI and Lit-PI) and Power Laws. Distributional aspects of module sizes for Int-PI and Lit-PI datasets, and corresponding power laws (from Matlab scripts plfit.m, plplot.m in webcite). Values for alpha approximately between 2 and 3 are typically expected.

Marras et al. BMC Systems Biology 2010 4:102   doi:10.1186/1752-0509-4-102
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