Ecological Factors in Farm Management
farms data frame has 20 rows and 4 columns. The rows are farms
on the Dutch island of Terschelling and the columns are factors
describing the management of grassland.
J.C. Gower and D.J. Hand (1996) Biplots. Chapman & Hall, Table 4.6.
Quoted as from: R.H.G. Jongman, C.J.F. ter Braak and O.F.R. van Tongeren (1987) Data Analysis in Community and Landscape Ecology. PUDOC, Wageningen.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
farms.mca <- mca(farms, abbrev = TRUE) # Use levels as names eqscplot(farms.mca$cs, type = "n") text(farms.mca$rs, cex = 0.7) text(farms.mca$cs, labels = dimnames(farms.mca$cs)[], cex = 0.7)