mammary: Recurrence of mammary tumours in female rats

In collett: Datasets from "Modelling Survival Data in Medical Research" by Collett

Recurrence of mammary tumours in female rats

Description

This is an animal experiment to compare the use of retinyl acetate (related to vitamin A) across the study (treatment) to treatment with retinyl acetate to 60 days and then no further treatment (control). The female rats all had mammary tumours.

Usage

mammary

Format

A data frame with 254 rows and 4 variables:

rat

integer id for each rat

treatment

integer treatment arm indicator (1=treatment, 0=control)

time

double follow-up time (days)

status

integer recurrence indicator (0=no, 1=yes)

Details

See Collett (2023)

collett documentation built on April 3, 2025, 5:53 p.m.