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Spatial Point Patterns
book

Spatial Point Patterns

by Adrian Baddeley, Ege Rubak, Rolf Turner
November 2015
Intermediate to advanced content levelIntermediate to advanced
828 pages
33h 11m
English
Chapman and Hall/CRC
Content preview from Spatial Point Patterns
106 Spatial Point Patterns: Methodology and Applications with R
4.2.9.1 Splitting a point pattern into sub-patterns
The R generic function split is used to divide data into subsets: split(x, f) divides the dataset
x into subsets determined b y the grouping f.
In spatstat the method split.ppp enables the user to divide a point pattern x into sub-
patterns using a variety of criteria.
If f is a factor, of length equal to the number of points in x, then split(x,f) separates the data
points into groups according to the values of f. The result is a list of point patterns, each with the
same window as x. The names of the list entries are the levels of f
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Publisher Resources

ISBN: 9781482210217