jura | R Documentation |
A geochemical dataset from the Swiss Jura.
data(juraset)
data(jura259)
A 359x11 or 259x11 dataframe
The JURA data set provided by J.-P. Dubois, IATE-Paedologie, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland. Spatial coordinates and values of categorial and continuous attributes at the 359 sampled sites. The 100 test locartions are denoted with a star. Rock Types: 1: Argovian, 2: Kimmeridgian, 3: Sequanian, 4: Portlandian, 5: Quaternary. Land uses: 1: Forest, 2: Pasture, 3: Meadow , 4: Tillage
X | X location coordinate | |
Y | Y location coordinate | |
Rock | Categorical: rocktype, | |
Land | Categorical: land usage | |
Cd | element amount, | |
Cu | element amount, | |
Pb | element amount, | |
Co | element amount, | |
Cr | element amount, | |
Ni | element amount, | |
All 3-part compositions sum to one.
AI-Geostats
Atteia, O., Dubois, J.-P., Webster, R., 1994, Geostatistical analysis of soil contamination in the Swiss Jura: Environmental Pollution 86, 315-327
Webster, R., Atteia, O., Dubois, J.-P., 1994, Coregionalization of trace metals in the soil in the Swiss Jura: European Journal of Soil Science 45, 205-218
## Not run:
data(juraset)
X <- with(juraset,cbind(X,Y))
comp <- acomp(juraset,c("Cd","Cu","Pb","Co","Cr"))
lrv <- logratioVariogram(comp,X,maxdist=1,nbins=10)
plot(lrv)
## End(Not run)
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