meuse.grid {sp} | R Documentation |
Prediction Grid for Meuse Data Set
Description
The meuse.grid
data frame has 3103 rows and 2 columns;
a grid with 40 m x 40 m spacing that covers the Meuse Study area
Usage
data(meuse.grid)
Format
This data frame contains the following columns:
- x
- a numeric vector; x-coordinate (see meuse)
- y
- a numeric vector; y-coordinate (see meuse)
- dist
- distance to the Meuse river; obtained by a spread
(spatial distance) GIS operation, from border of river; normalized to
$[0,1]$
- ffreq
- flood frequency; the lower the value, the larger the flood frequency; the origin of this item is questionable
- part.a
- arbitrary division of the area in two areas, a and b
- part.b
- see
part.a
- soil
- soil type; it is questionable whether these data come from a real soil
map
Details
x
and y
are in RDM, the Dutch topographical map
coordinate system. Roger Bivand projected this to UTM in the
R-Grass interface package.
Source
http://www.gstat.org/
References
See the meuse documentation
Examples
data(meuse.grid)
coordinates(meuse.grid) = ~x+y
gridded(meuse.grid) = TRUE
spplot(meuse.grid)
[Package
sp version 0.9-12
Index]