Description Usage Arguments Details Value Author(s) See Also Examples
Extract a subset of a leverage map, or extract the leverage values at specified locations.
1 2  ## S3 method for class 'leverage.ppm'
x[i, ...]

x 
A leverage object (of class 
i 
Subset index (passed to 
... 
Further arguments passed to 
An object of class "leverage.ppm"
contains the values of the
leverage function for a point process model, computed by
leverage.ppm
.
This function extracts a designated subset of the leverage values, either as another leverage object, or as a vector of numeric values.
The function [.leverage.ppm
is a method for [
for the
class "leverage.ppm"
. The argument i
should be either
a spatial window (object of class "owin"
)
determining a region where the leverage map is required.
The result will typically be another leverage map
(object of class leverage.ppm
).
a spatial point pattern (object of class "ppp"
)
specifying locations at which the leverage values are required.
The result will be a numeric vector.
The subset operator for images, [.im
, is applied to
the leverage map. If this yields a pixel image, then the result of
[.leverage.ppm
is another leverage object. Otherwise,
a vector containing the numeric values of leverage is returned.
Another object of class "leverage.ppm"
,
or a vector of numeric values of leverage.
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