plot.variogram {sgeostat}

Plot Variogram

Description

Plot empirical variogram estimates, optionally plotting a fitted variogram model.

Usage

## S3 method for class 'variogram'
plot(x, var.mod.obj, title.str,ylim, type='c',N=FALSE, ...) 

Arguments

x

a variogram object generated by est.variogram()

var.mod.obj

a variogram model object generated by a model fitting routine.

title.str

optional: an user supplied plot title

type

optional: which type of variogram model to plot, 'c' = classical, 'r' = robust, 'm' median

N

logical, toggles printing of absolute pair counts per lag

ylim

optonal user supplied y dimension for the plot

...

additional arguments for plot

Value

NULL

References

http://www.gis.iastate.edu/SGeoStat/homepage.html

See Also

est.variogram

Examples

# two plots 
oldpar <- par(mfrow=c(2,1))
plot(maas.v) 
plot(maas.v,var.mod.obj=maas.vmod)
par(oldpar)