rats

Rat treatment data from Mantel et al.
  Three rats were chosen from each of 100 litters, one of which was
  treated with a drug, and then all followed for tumor incidence.

datasets

survival

Contains the core survival analysis routines, including
	     definition of Surv objects, 
	     Kaplan-Meier and Aalen-Johansen (multi-state) curves, Cox models,
	     and parametric accelerated failure time models.

Terry Therneau

Survival Analysis

rats function

<tabular>ll</tabular>{
    litter:	litter number from 1 to 100rx:	treatment,(1=drug, 0=control) time:	time to tumor or last follow-upstatus:	event status, 1=tumor and 0=censoredsex:	male or female
  }

format

N. Mantel, N. R. Bohidar and J. L. Ciminera.
  Mantel-Haenszel analyses of litter-matched time to response data,
  with modifications for recovery of interlitter information.
  Cancer Research, 37:3863-3868, 1977.

rats: Rat treatment data from Mantel et al

Description

Usage

Arguments

format

source

References