km: Plots an 'enhanced' Kaplan-Meier plot, with base graphics...

In yapomif: Yet another package of misc functions

Description

This function plots a Kaplan-Meier plot.

Usage

 km(time=NULL, status=NULL, strata=NULL,
time.unit=c("days","weeks","months","years"), time.by=NULL, main="",
ylab=NULL, xlab=NULL, xlim=NULL, conf.int=NULL,
test=c("logr","hr","both","no"), plot.n.at.risk=TRUE, gr.legend=NULL,
...  ) 

Arguments

time	survival time variable
status	survival indicator variable
strata	Stratifying variable (optional)
time.unit	Time unit of x axis
time.by	Time step x axis (in days)
main	Graph main title
ylab	Y-axis label.
xlab	X-axis label. If NULL a suitable default based on time.unit will be provided
xlim	X-axis limit. If NULL a suitable default based on time.unit will be provided
conf.int	logical ... Plot confidence intervall? If NULL confidence interval are plotted only if strata has two or more levels
test	tests: 'no'=don't plot tests, 'logr'=logranktest, 'hr'=hazratio, 'both'=both
plot.n.at.risk	Logical value: plot number at risk?
gr.legend	Graph command to add legend, as string
...	Further lines.survfit params

Value

The function plot the graph and return a list with km statistics

yapomif documentation built on May 2, 2019, 4:51 p.m.