apples {Flury}R Documentation

Apple rootstock data

Description

Growth and size measurements on eight apple trees of each of six different rootstocks.

Usage

data(apples)

Format

A data frame with 48 observations on the following 5 variables.

Rootstock
a factor with levels 1 2 3 4 5 6
Girth.4
Trunk girth at 4 years (10cm)
Growth.4
Extension growth at 4 years (m)
Girth.15
Trunk girth at 15 years (10cm)
Weight.15
Weight of tree above ground at 15 years (1000 pounds)

Source

Andrews D.F. and A.M Herzberg (1985) Data New York:Springer

References

Flury, B.D. (1997) A First Course in Multivariate Statistics, New York: Springer

Examples

data(apples)
## Not run: 
pairs(apples[,-1],
  lower.panel = function(x, y){ points(x, y,
  pch = unclass(apples[,1]),
  col = as.numeric(apples[,1]))},
  main = "Pairwise scatter plots for apple rootstocks")
## End(Not run)

[Package Flury version 0.1-2 Index]