cancer: Breast Retraction Times after Beast Cancer Treatments.

In npsurv: Nonparametric Survival Analysis

Description

Contains the breast retraction times in months for 94 breast cancer patients who received either radiation therapy or radiation therapy plus adjuvant chemotherapy.

Format

A data frame with 94 observations and 3 variables:

L: left-end points of the interval-censored retraction times;

R: right-end points of the interval-censored retraction times;

group: either RT (radiation therapy) or RCT (radiation therapy plus adjuvant chemotherapy).

Source

Finkelstein and Wolfe (1985).

References

Finkelstein, D. M. and R. A. Wolfe (1985). A semiparametric model for regression analysis of interval-censored failure time data. Biometrics, 41, pp.933-945.

See Also

npsurv.

Examples

data(cancer)
i = cancer$group == "RT"
plot(npsurv(cancer[i,1:2]), xlim=c(0,60))
plot(npsurv(cancer[!i,1:2]), add=TRUE, col="green3")

npsurv documentation built on Oct. 23, 2020, 5:43 p.m.