Create a PanelSurv Object

Create a panel count survival object, usually used as a response variable in a model formula.

PanelSurv(ID, time, count)

is.PanelSurv(x)

Arguments

ID	Observation subject's ID.
time	Observation time.
count	Observation subject's ID.
x	An PanelSurv object.

Value

An object of S3 class "PanelSurv".

psDF

a data frame, part of original input data frame with variable "ID", "time" and "count".

timeGrid

ordered distinct observation times in the set of all observation times.

panelMatrix

a matrix representation of panel count data, one row per subject, one column per time point in "timeGrid".

In the case of is.PanelSurv, a logical value TRUE if x inherits from class "PanelSurv", otherwise an FALSE.

In the case of plot.PanelSurv, a tile plot of panelMatrix produced by package ggplot2 with color indicating number of counts since last observation time.

See also

panelReg

Examples

data(blaTum)
response <- with(blaTum, PanelSurv(id, time, count))
is.PanelSurv(response)
#> [1] TRUE
plot(response)