plot.ncvreg {ncvreg} | R Documentation |
Produces a plot of the coefficient paths for a fitted
ncvreg
object.
## S3 method for class 'ncvreg' plot(x, alpha=1, log.l=FALSE, shade=TRUE, ...)
x |
Fitted |
alpha |
Controls alpha-blending, helpful when the number of covariates is large. Default is alpha=1. |
log.l |
Should horizontal axis be on the log scale? Default is FALSE. |
shade |
Should nonconvex region be shaded? Default is TRUE. |
... |
Other graphical parameters to |
Patrick Breheny
Breheny, P. and Huang, J. (2011) Coordinate descent algorithms for nonconvex penalized regression, with applications to biological feature selection. Ann. Appl. Statist., 5: 232-253.
data(Prostate) fit <- ncvreg(Prostate$X, Prostate$y) plot(fit) plot(fit, col="black") plot(fit, log=TRUE)