heights {sitar}

Serial heights measured in 12 girls

Description

Heights of 12 girls from the Chard Growth Study measured twice a year between 8 and 16 years of age.

Usage

heights

Format

A data frame with 124 observations on the following 4 variables:

id

factor of subject ids (levels 1:12).

age

vector of ages (years).

height

vector of heights (cm).

men

vector of ages at menarche (years), where negative values are right censored.

Examples

  require(graphics)
  data(heights)
  coplot(height ~ age | id, data = heights, panel=panel.smooth,
    show.given=FALSE, xlab='age (years)', ylab='height (cm)', pch=19)