Additional file 9.

Figure S8. Feature coefficients determined from Lasso regularization (H3K27ac included). The plot shows feature weights in each class with respect to logged lambda, the penalization parameter, in LASSO regularized multinomial logistic regression. Weights of features less discriminative of the three categories shrink to 0 as the lambda is increased. H3K27ac, a positive predictor of PrL group, is highlighted in a blue box.

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Chen et al. BMC Genomics 2012 13:152   doi:10.1186/1471-2164-13-152