muhaz2 {biostat3}

Formula wrapper for the muhaz function from the muhaz package.

Description

Formula wrapper for the muhaz function from the muhaz package.

Usage

muhaz2(formula, data, subset, max.time, ...)
## S3 method for class 'muhaz2'
plot(x, haz.scale=1, ylab="Hazard", ylim=NULL, log="", ...)
## S3 method for class 'muhazList'
plot(x, lty=1:5, col=1:length(x), log="", legend.args=list(), ...)
## S3 method for class 'muhaz2'
lines(x, ..., haz.scale = 1)
## S3 method for class 'muhazList'
lines(x, lty=1, col=1:length(x), ...)
## S3 method for class 'muhazList'
summary(object, ...)
## S3 method for class 'muhazList'
as.data.frame(x, row.names, optional, ...)
## S3 method for class 'muhaz'
as.data.frame(x, row.names, optional, ...)

Arguments

formula

formula with the left-hand side being a Surv object, including a time and event indicator, and the right-hand side indicated stratification.

data

optional data.frame for the Surv object. If this is not provided, then the parent frame is used for the Surv object.

subset

subset predictate for the dataset

max.time

maximum follow-up time for the hazards

ylab

graphics argument for ylab (y-axis label)

lty

graphics argument for line type

col

graphics argument for line colour

legend.args

a list of options that are passed to the legend call. Defaults are list(x="topright",legend=names(x),col=col,lty=lty).

haz.scale

scale for the hazard in the plot

row.names

not currently used

object

muhazList object

ylim

graphics argument for the limits of the y axis

log

graphics argument for a log transformation of the x or y axes

x

muhazList or muhaz object

optional

not currently used

...

other arguments

Value

For a single strata, this is a muhaz object. For multiple strata, this is a muhazList object, which includes methods for

Examples

  plot(muhaz2(Surv(surv_mm, status == "Dead: cancer")~1, melanoma))