vgm.panel.xyplot {gstat}R Documentation

panel functions for most of the variogram plots through lattice

Description

Variogram plots contain symbols and lines; more control over them can be gained by writing your own panel functions, or extending the ones described here; see examples.

Usage

vgm.panel.xyplot(x, y, subscripts, type = "p", pch = plot.symbol$pch, 
    col, col.line = plot.line$col, col.symbol = plot.symbol$col, 
    lty = plot.line$lty, cex = plot.symbol$cex, ids, lwd = plot.line$lwd, 
    model = model, direction = direction, labels, shift = shift, mode = mode, ...) 
panel.pointPairs(x, y, type = "p", pch = plot.symbol$pch, col, col.line = 
        plot.line$col, col.symbol = plot.symbol$col, lty = plot.line$lty, 
        cex = plot.symbol$cex, lwd = plot.line$lwd, pairs = pairs, 
        line.pch = line.pch, ...)

Arguments

x x coordinates of points in this panel
y y coordinates of points in this panel
subscripts subscripts of points in this panel
type plot type: "l" for connected lines
pch plotting symbol
col symbol and line color (if set)
col.line line color
col.symbol symbol color
lty line type for variogram model
cex symbol size
ids gstat model ids
lwd line width
model variogram model
direction direction vector c(dir.horizontal, dir.ver)
labels labels to plot next to points
shift amount to shift the label right of the symbol
mode to be set by calling function only
line.pch symbol type to be used for point of selected point pairs, e.g. to highlight point pairs with distance close to zero
pairs two-column matrix with pair indexes to be highlighted
... parameters that get passed to lpoints

Value

ignored; the enclosing function returns a plot of class trellis

Author(s)

Edzer J. Pebesma

References

http://www.gstat.org/

See Also

plot.gstatVariogram, vgm

Examples

 
library(lattice)
data(meuse)
coordinates(meuse) <- c("x", "y")
mypanel = function(x,y,...) { 
        vgm.panel.xyplot(x,y,...)
        panel.abline(h=var(log(meuse$zinc)), color = 'red')
}
plot(variogram(log(zinc)~1,meuse), panel = mypanel)
[Package gstat version 0.9-66 Index]