cosmesis {coxinterval} | R Documentation |
Interval-censored times to cosmetic deterioration for breast cancer patients undergoing radiation or radiation plus chemotherapy.
data(cosmesis)
A data frame with 94 observations on the following 3 variables.
left
left endpoint of the censoring interval in months
right
right endpoint of the censoring interval in months
treat
a factor with levels RT
and RCT
representing
radiotherapy-only and radiation plus chemotherapy treatments,
respectively
Finkelstein, D. M. and Wolfe, R. A. (1985) A semiparametric model for regression analysis of interval-censored failure time data. Biometrics 41, 933–945.
Finkelstein, D. M. (1986) A proportional hazards model for interval-censored failure time data. Biometrics 42, 845–854.
data(cosmesis)