bcos2: Breast Cosmesis Data

In survivalMPL: Penalised Maximum Likelihood for Survival Analysis Models

Breast Cosmesis Data

Description

Interval censored data described and given in full in Finkelstein and Wolfe (1985), discussed by More (2016, example 12.2) and available in the R package 'interval' (refer to ?bcos). Compared to the interval package version, bcos2 simply recode the lower value of left-censored data (NA instead of 0) and upper value of right-censored data (NA instead of Inf) to allow an easy identification of left-censored data by means of the function Surv when type=="interval2".

Usage

data(bcos2)

Format

A data frame with 94 observations on the following 3 variables.

left

a numeric vector

right

a numeric vector

treatment

a factor with levels Rad and RadChem

Source

Finkelstein, D.M., and Wolfe, R.A. (1985). A semiparametric model for regression analysis of interval-censored failure time data. Biometrics 41: 731-740.

Moore, D. K. (2016), Applied Survival Analysis Using R, Springer.

Examples

data(bcos2)

survivalMPL documentation built on Nov. 21, 2022, 5:07 p.m.