Description Usage Arguments Value Author(s) See Also Examples

View source: R/quantileCumInc.R

In survival analysis, often some quantiles (mainly the median) of an estimated cumulative incidence
function are of interest. This function computes quantiles of cumulative incidence functions received
via `cuminc`

in the package cmprsk.

1 | ```
quantileCumInc(time, event, group, quant = 0.5)
``` |

`time` |
Event times, censored or observed. |

`event` |
Event indicator. |

`group` |
Quantiles can be computed for several survival curves, defined by |

`quant` |
Quantile to be computed. Real number in |

Dataframe with quantiles estimates for each event-group combination.

Kaspar Rufibach

[email protected]

`cuminc`

and `timepoint`

in the package cmprsk.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | ```
if (require("cmprsk")) {
## illustrate on simulated data
set.seed(1977)
n <- 180
time <- rgamma(n, 2, 1)
status <- factor(sample(rep(0:2, n / 3)), levels = 0:2, labels =
c("censored", "Time to 2nd tumor", "Death"))
x <- factor(round(runif(n, 1, 2)), levels = 1:2, labels =
c("Tmt A", "Tmt B"))
## plot
plot(cuminc(time, status, x))
## median time to event
quantileCumInc(time, status, group = x, quant = 0.25)
}
``` |

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