Fig. 2From: Understanding Horizontal Gene Transfer network in human gut microbiotaa Loglikelihood ratio test for powerlaw vs exponential and powerlaw vs lognormal_positive fitting to HGT networks of Mother-to-Child data set; b Loglikelihood ratio test for powerlaw vs exponential and powerlaw vs lognormal_positive fitting to HGT networks of Longitudinal IBD data set. In each test, if the ratio is larger than 0, the power law achieves better fit than the otherBack to article page