plot.ncvsurv.func: Plot survival curve for ncvsurv model

In ncvreg: Regularization Paths for SCAD and MCP Penalized Regression Models

Plot survival curve for ncvsurv model

Description

Plot survival curve for a model that has been fit using ncvsurv() followed by a prediction of the survival function using predict.ncvsurv().

Usage

## S3 method for class 'ncvsurv.func'
plot(x, alpha = 1, ...)

Arguments

x	A ncvsurv.func object, which is returned by predict.ncvsurv() if type='survival' is specified. See examples.
alpha	Controls alpha-blending (i.e., transparency). Useful if many overlapping lines are present.
...	Other graphical parameters to pass to plot

Author(s)

Patrick Breheny

See Also

ncvsurv(), predict.ncvsurv()

Examples

data(Lung)
X <- Lung$X
y <- Lung$y

fit <- ncvsurv(X, y)

# A single survival curve
S <- predict(fit, X[1,], type='survival', lambda=.15)
plot(S, xlim=c(0,200))

# Lots of survival curves
S <- predict(fit, X, type='survival', lambda=.08)
plot(S, xlim=c(0,200), alpha=0.3)

ncvreg documentation built on Sept. 11, 2024, 8:31 p.m.