leafblotch {faraway} | R Documentation |
The data gives the proportion of leaf area affected by leaf blotch on 10 varieties of barley at 9 different sites.
data(leafblotch)
A data frame with 90 observations on the following 3 variables.
blotch
site
1
2
3
4
5
6
7
8
9
variety
1
2
3
4
5
6
7
8
9
10
R. W. M. Wedderburn (1974) "Quasilikelihood functions, generalized linear models and the Gauss-Newton method" Biometrika, 61, 439-447.
P. McCullagh and J. Nelder (1989) "Generalized Linear Models" Chapman and Hall, 2nd ed.