# Smooth.msr

0th

Percentile

##### Smooth a Signed or Vector-Valued Measure

Apply kernel smoothing to a signed measure or vector-valued measure.

Keywords
models, spatial
##### Usage
# S3 method for msr
Smooth(X, ..., drop=TRUE)
##### Arguments
X

Object of class "msr" representing a signed measure or vector-valued measure.

Arguments passed to density.ppp controlling the smoothing bandwidth and the pixel resolution.

drop

Logical. If TRUE (the default), the result of smoothing a scalar-valued measure is a pixel image. If FALSE, the result of smoothing a scalar-valued measure is a list containing one pixel image.

##### Details

This function applies kernel smoothing to a signed measure or vector-valued measure X. The Gaussian kernel is used.

The object X would typically have been created by residuals.ppm or msr.

##### Value

A pixel image or a list of pixel images. For scalar-valued measures, a pixel image (object of class "im") provided drop=TRUE. For vector-valued measures (or if drop=FALSE), a list of pixel images; the list also belongs to the class "solist" so that it can be printed and plotted.

##### References

Baddeley, A., Turner, R., Moller, J. and Hazelton, M. (2005) Residual analysis for spatial point processes. Journal of the Royal Statistical Society, Series B 67, 617--666.

Baddeley, A., Moller, J. and Pakes, A.G. (2008) Properties of residuals for spatial point processes. Annals of the Institute of Statistical Mathematics 60, 627--649.

Smooth, msr, plot.msr

• Smooth.msr
##### Examples
# NOT RUN {
X <- rpoispp(function(x,y) { exp(3+3*x) })
fit <- ppm(X, ~x+y)
rp <- residuals(fit, type="pearson")
rs <- residuals(fit, type="score")

plot(Smooth(rp))
plot(Smooth(rs))
# }

Documentation reproduced from package spatstat, version 1.63-0, License: GPL (>= 2)

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