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
.
Usage
## S3 method for class 'influence.ppm':
plot(x, ...)
Arguments
- x
- Influence measure (object of class
"influence.ppm"
) computed byinfluence.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.
See Also
Examples
X <- rpoispp(function(x,y) { exp(3+3*x) })
fit <- ppm(X, ~x+y)
plot(influence(fit))
Community examples
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