cr_setup function

Transform Competing Risks Data in Long Format

In 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")

Arguments

• data: the data frame containing the competing risk data with a single row per subject.
• statusVar: 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.
• censLevel: a character string or a scalar denoting the censoring level in the statusVar variable of data.
• nameStrata: a character string denoting the variable that will be added in the long version of data denoting the various causes of event.
• nameStatus: 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.

Returns

A data frame in the long format with multiple rows per subject.

References

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.

Author(s)

Dimitris Rizopoulos d.rizopoulos@erasmusmc.nl

Examples

head(crisk_setup(pbc2.id, "status", "alive"))