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. Author manuscript; available in PMC: 2013 Oct 28.
Published in final edited form as: Stat Sci. 2012;27(4):10.1214/12-STS392. doi: 10.1214/12-STS392

Fig. 1.

Fig. 1

The solution paths of the 2-norm group MCP for γ = 1.2, 2.7 and ∞, where γ = ∞ corresponds to the group LASSO. The top panel shows the paths of the ℓ2 norms of βj; the bottom shows the paths of the individual coefficients. The solid lines and dashed lines in the plots indicate the paths of the coefficients in the nonzero groups 1 and 2, respectively. The dotted lines represent the zero groups.