farms {MASS} | R Documentation |
The 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.
farms
This data frame contains the following columns:
Mois
Manag
SF
= standard,
BF
= biological, HF
= hobby farming,
NM
= nature conservation).
Use
U1
= hay production, U2
=
intermediate, U3
= grazing)
Manure
C0
to C4
.
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)[[1]], cex = 0.7)