plot.coxreg {eha}

Plot method for coxreg objects

Description

A plot of a baseline function of a coxreg fit is produced, one curve for each stratum. A wrapper for plot.survfit in survival.

Usage

## S3 method for class 'coxreg'
plot(
  x,
  fn = c("cum", "surv", "log", "loglog"),
  conf.int = FALSE,
  fig = TRUE,
  xlim = NULL,
  ylim = NULL,
  main = NULL,
  xlab = "Duration",
  ylab = "",
  col = 1,
  lty = 1,
  printLegend = TRUE,
  ...
)

Arguments

x

A coxreg object

fn

What should be plotted? Default is "cumhaz", and the other choices are "surv", "log", and "loglog".

conf.int

logical or a value like 0.95 (default for one curve).

fig

logical. If TRUE the plot is actually drawn, otherwise only the coordinates of the curve(s) are returned.

xlim

Start and end of the x axis.

ylim

Start and end of the y axis.

main

A headline for the plot

xlab

Label on the x axis.

ylab

Label on the y axis.

col

Color of the curves. Defaults to 'black'.

lty

Line type(s).

printLegend

Either a logical or a text string; if TRUE, a legend is printed at a default place, if FALSE, no legend is printed. Otherwise, if a text string, it should be one of "bottomleft", "bottomright", "topleft", etc., see legend for all possible choices.

...

Other parameters to pass to the plot.

Value

An object of class hazdata containing the coordinates of the curve(s).