colonTPreg: The colon cancer data
In idmTPreg: Regression Model for Progressive Illness Death Data

Colon cancer data with 929 rows and 8 columns. There is one row per person. The original data have 16 columns and two records per person and are available as part of survival Package. These are data from one of the first successful trials of adjuvant chemotherapy for colon cancer. Levamisole is a low-toxicity compound previously used to treat worm infestations in animals; 5-FU is a moderately toxic (as these things go) chemotherapy agent.

1	data("colonTPreg")

A data frame with 929 observations on the following 8 variables.

id: identification variable.
Zt: recurrence free survival time, that is the minimum of recurrence, death, and censoring time.
Tt: total survival time, time to death or censoring
delta1: recurrence free survival indicator, 0=alive and recurrence free, 1=dead or relapsed.
delta: status indicator, 0=alive, 1=dead.
Nodes: number of lymph nodes with detectable cancer.
Age: age in years.
treatment: a factor with levels Obs, Lev and Lev+5FU