# plot.grf

##### Plots Variograms for Simulated Data

This function plots variograms for simulated geostatistical data
generated by the function `grf`

.

##### Usage

```
# S3 method for grf
plot(x, model.line = TRUE, plot.locations = FALSE, …)
```

##### Arguments

- x
an object of the class

`grf`

, typically an output of the function`grf`

.- model.line
logical. If

`TRUE`

the true variogram model is added to the plot with the sample variogram(s).- plot.locations
logical. If

`TRUE`

a plot with data locations is also shown.- …
further arguments to be passed to the functions

`variog`

and`plot`

.

##### Value

A plot with the empirical variogram(s) is produced on the output device. No values are returned.

##### References

Further information on the package geoR can be found at: http://www.leg.ufpr.br/geoR.

##### See Also

`grf`

for simulation of Gaussian random fields,
`plot.variogram`

for plotting empirical variogram,
`variog`

for computation of empirical variograms and
`plot`

for the generic plotting function.

##### Examples

```
# NOT RUN {
op <- par(no.readonly = TRUE)
par(mfrow=c(2,1))
sim1 <- grf(100, cov.pars=c(10, .25))
# generates simulated data
plot(sim1, plot.locations = TRUE)
#
# plots the locations and the sample true variogram model
#
par(mfrow=c(1,1))
sim2 <- grf(100, cov.pars=c(10, .25), nsim=10)
# generates 10 simulated data
plot(sim1)
# plots sample variograms for all simulations with the true model
par(op)
# }
```

*Documentation reproduced from package geoR, version 1.8-1, License: GPL (>= 2)*