plot.influence.ppm

From spatstat v1.37-0 by Adrian Baddeley

Plot Influence Measure

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

Keywords: models, spatial

Usage

## S3 method for class 'influence.ppm':
plot(x, ...)

Arguments

x: Influence measure (object of class "influence.ppm") computed by influence.ppm.
...: Arguments passed to plot.ppp to control the plotting.

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.

Examples

X <- rpoispp(function(x,y) { exp(3+3*x) })
   fit <- ppm(X, ~x+y)
   plot(influence(fit))

Documentation reproduced from package spatstat, version 1.37-0, License: GPL (>= 2)

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