plot.influence.ppm

0th

Percentile

Plot Influence Measure

Plots an influence measure that has been computed by influence.ppm.

Keywords
models, spatial
Usage
# S3 method for influence.ppm
plot(x, ..., multiplot=TRUE)
Arguments
x

Influence measure (object of class "influence.ppm") computed by influence.ppm.

Arguments passed to plot.ppp to control the plotting.

multiplot

Logical value indicating whether it is permissible to plot more than one panel. This happens if the original point process model is multitype.

Details

This is the plot method for objects of class "influence.ppm". These objects are computed by the command influence.ppm.

The display shows circles centred at the data points with radii proportional to the influence values.

Use the argument clipwin to restrict the plot to a subset of the full data.

Value

None.

References

Baddeley, A. and Chang, Y.M. and Song, Y. (2013) Leverage and influence diagnostics for spatial point process models. Scandinavian Journal of Statistics 40, 86--104.

See Also

influence.ppm

Aliases
  • plot.influence.ppm
Examples
# NOT RUN {
   X <- rpoispp(function(x,y) { exp(3+3*x) })
   fit <- ppm(X, ~x+y)
   plot(influence(fit))
# }
Documentation reproduced from package spatstat, version 1.49-0, License: GPL (>= 2)

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