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.
data(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
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)