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.
Mois |
Five levels of soil moisture level 3 does not occur at these 20 farms. |
Manag |
Grassland management type (SF = standard, BF = biological, HF =
hobby farming, NM = nature conservation).
|
Use |
Grassland use (U1 = hay production, U2 = intermediate, U3 = grazing)
|
Manure |
Manure usage classes C0 to C4. |
This data frame contains the following columns:
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
data(farms) farms.mca <- mca(farms, abbrev=T) # 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)