Flury (version 0.1-3)

apples: 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

Details

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)