Extract.splitppp {spatstat.geom} | R Documentation |
Extract or Replace Sub-Patterns
Description
Extract or replace some of the sub-patterns in a split point pattern.
Usage
## S3 method for class 'splitppp'
x[...]
## S3 replacement method for class 'splitppp'
x[...] <- value
Arguments
x |
An object of class |
... |
Subset index. Any valid subset index in the usual R sense. |
value |
Replacement value for the subset. A list of point patterns. |
Details
These are subset methods for the class "splitppp"
.
The argument x
should be an object of class "splitppp"
,
representing a point pattern that has been separated into a
list of sub-patterns. It is created by split.ppp
.
The methods extract or replace a designated
subset of the list x
, and return an object of class "splitppp"
.
Value
Another object of class "splitppp"
.
Author(s)
Adrian Baddeley Adrian.Baddeley@curtin.edu.au and Rolf Turner rolfturner@posteo.net
See Also
split.ppp
,
plot.splitppp
,
summary.splitppp
Examples
y <- split(amacrine)
y[[1]]
y[["off"]]
y[[1]] <- rsyst(Window(amacrine), 4, 3)