Plot Influence Measure

Description

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

Usage

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

Arguments

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.

Author(s)

Adrian Baddeley Adrian.Baddeley@uwa.edu.au http://www.maths.uwa.edu.au/~adrian/

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

Examples

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