R: Matrix of possible transitions

tra {etm} | R Documentation

## Matrix of possible transitions

### Description

Miscellaneous functions that compute the matrix of possible transitions used as argument in the `etm` function.

### Usage

    tra_ill(state.names = c("0", "1", "2"))
    tra_ill_comp(nComp = 2,
         state.names = as.character(seq(0, nComp + 1, 1)))
    tra_comp(nComp = 2,
             state.names = as.character(seq(0, nComp)))
    tra_surv(state.names = c("0", "1"))

### Arguments

`state.names` | A vector of characters giving the states names
`nComp` | For the competing risks models, the number of competing events

### Details

These functions compute the matrix of possible transitions that is used as argument in, e.g., the `etm` function. `tra_surv` is for the usual survival model, `tra_comp` for the competing risks model, `tra_ill` for the illness-death model and `tra_ill_comp` for the illness-death model with competing terminal events. By default, state names are from 0 to ...

### Value

A quadratic matrix with `TRUE` if a transition is possible, `FALSE` otherwise.

### Author(s)

Arthur Allignol arthur.allignol@gmail.com

### See Also

`etm`

### Examples

    tra_ill()

    ## competing risks model with 4 competing events non-default state names
    tra_comp(4, state.names = c("healthy", "Cardiac problems", "Cancer",
                               "Rhenal failure", "Other"))

[Package etm version 1.1 Index]