cr_setup.RdIn a competing risks setting this function expands the data frame with a single row per subject to a data frame in the long format in which each subject has as many rows as the number of competing events.
crisk_setup(data, statusVar, censLevel,
nameStrata = "strata", nameStatus = "status2")the data frame containing the competing risk data with a single row per subject.
a character string denoting the name of the variable in
data that identifies the status variable which equals 1 if the
subject had any of the competing events and 0 otherwise.
a character string or a scalar denoting the censoring level
in the statusVar variable of data.
a character string denoting the variable that will be added
in the long version of data denoting the various causes of event.
a character string denoting the variable that will be added
in the long version of data denoting if the subject experience any
of the competing events.
A data frame in the long format with multiple rows per subject.
Rizopoulos, D. (2012) Joint Models for Longitudinal and Time-to-Event Data: with Applications in R. Boca Raton: Chapman and Hall/CRC.
Putter, H., Fiocco, M., and Geskus, R. (2007). Tutorial in biostatistics: Competing risks and multi-state models. Statistics in Medicine 26, 2389--2430.
head(crisk_setup(pbc2.id, "status", "alive"))
#> id years status drug age sex year ascites hepatomegaly
#> 1 1 1.095170 dead D-penicil 58.76684 female 0 Yes Yes
#> 1.1 1 1.095170 dead D-penicil 58.76684 female 0 Yes Yes
#> 2 2 14.152338 alive D-penicil 56.44782 female 0 No Yes
#> 2.1 2 14.152338 alive D-penicil 56.44782 female 0 No Yes
#> 3 3 2.770781 dead D-penicil 70.07447 male 0 No No
#> 3.1 3 2.770781 dead D-penicil 70.07447 male 0 No No
#> spiders edema serBilir serChol albumin alkaline SGOT
#> 1 Yes edema despite diuretics 14.5 261 2.60 1718 138.0
#> 1.1 Yes edema despite diuretics 14.5 261 2.60 1718 138.0
#> 2 Yes No edema 1.1 302 4.14 7395 113.5
#> 2.1 Yes No edema 1.1 302 4.14 7395 113.5
#> 3 No edema no diuretics 1.4 176 3.48 516 96.1
#> 3.1 No edema no diuretics 1.4 176 3.48 516 96.1
#> platelets prothrombin histologic status2 strata
#> 1 190 12.2 4 1 dead
#> 1.1 190 12.2 4 0 transplanted
#> 2 221 10.6 3 0 dead
#> 2.1 221 10.6 3 0 transplanted
#> 3 151 12.0 4 1 dead
#> 3.1 151 12.0 4 0 transplanted