colon_sample {biostat3}

Sample from the colon dataset used for teaching.

Description

Sample from the colon dataset used for teaching.

Usage

data("colon_sample")

Format

A data frame with 35 observations on the following 9 variables.

sex

a factor with levels Male Female

age

a numeric vector

stage

a factor with levels Unknown Localised Regional Distant

mmdx

a numeric vector

yydx

a numeric vector

surv_mm

a numeric vector

surv_yy

a numeric vector

status

a factor with levels Alive Dead: cancer Dead: other Lost to follow-up

subsite

a factor with levels Coecum and ascending Transverse Descending and sigmoid Other and NOS

Examples

data(colon_sample)
## maybe str(colon_sample) ; plot(colon_sample) ...