colon {biostat3}

Colon cancer dataset

Description

Colon cancer dataset

Usage

data("colon")

Format

A data frame with 15564 observations on the following 18 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

year8594

a factor with levels Diagnosed 75-84 Diagnosed 85-94

agegrp

a factor with levels 0-44 45-59 60-74 75+

dx

a Date

exit

a Date

id

a numeric vector

ydx

a numeric vector for continuous year of diagnosis

yexit

a numeric vector for continuous year of exit

Examples

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