lyons.wheat.Rd
Yield of winter wheat at 12 sites in 4 years.
A data frame with 48 observations on the following 3 variables.
loc
location, 12 levels
year
year, numeric
yield
yield (kg)
Krzanowski uses this briefly for multi-dimensional scaling.
R. Lyons (1980). A review of multidimensional scaling. Unpublished M.Sc. dissertation, University of Reading.
Krzanowski, W.J. (1988) Principles of multivariate analysis. Oxford University Press.