plot.influence.ppm {spatstat} | R Documentation |
Plots an influence measure that has been computed by influence.ppm
.
## S3 method for class 'influence.ppm' plot(x, ...)
x |
Influence measure (object of class |
... |
Arguments passed to |
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.
None.
Adrian Baddeley Adrian.Baddeley@csiro.au http://www.maths.uwa.edu.au/~adrian/
Baddeley, A. and Chang, Y.M. and Song, Y. (2011) Leverage and influence diagnostics for spatial point process models. Scandinavian Journal of Statistics, in press.
X <- rpoispp(function(x,y) { exp(3+3*x) }) fit <- ppm(X, ~x+y) plot(influence(fit))