The effective degrees of freedom , the number of clusters + the number of isolated variables, against <i>θ</i> for Dataset 3 at <i>δ</i> = 10⁻⁴ and the optimal parameters (2λ_ℓ₁, 8λ_<i>T</i>)/<i>M</i> = (1, 10).

The effective degrees of freedom , the number of clusters + the number of isolated variables, against θ for Dataset 3 at δ = 10−4 and the optimal parameters (2λℓ1, 8λT)/M = (1, 10).