# lines.variomodel.grf

From geoR v1.8-1
by Paulo Ribeiro Jr

##### Lines with True Variogram for Simulated Data

This functions adds to the graphics device a line with the theoretical
(true) variogram used when generating simulations with
the function `grf`

.

##### Usage

```
# S3 method for grf
lines.variomodel(x, max.dist, n = 100, …)
```

##### Arguments

- x
an object from the class

`grf`

typically an output of the function`grf`

.- max.dist
maximum distance to compute and plot the true variogram. Defaults to the maximum distance between two data locations.

- n
number of points used to compute and draw the variogram line.

- …
further arguments to be passed to the function

`curve`

.

##### Value

A line with the true variogram model is added to the current plot on the graphics device. No values are returned.

##### References

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

##### See Also

##### Examples

```
# NOT RUN {
sim <- grf(100, cov.pars=c(1, .25)) # simulates data
plot(variog(sim, max.dist=1)) # plot empirical variogram
# }
```

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

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