The call that produced the object x is printed, followed by a three-column
matrix
with columns Df, %dev and Lambda. The Df
column is the number of nonzero coefficients (Df is a reasonable
name only for lasso fits). %dev is the percent deviance
explained (relative to the null deviance).
References
Friedman, J., Hastie, T. and Tibshirani, R. (2008)
Regularization Paths for Generalized Linear Models via Coordinate
Descent