nndist.lpp

0th

Percentile

Nearest neighbour distances on a linear network

Given a pattern of points on a linear network, compute the nearest-neighbour distances, measured by the shortest path in the network.

Keywords
spatial
Usage
## S3 method for class 'lpp':
nndist(X, ..., method="C")
Arguments
X
Point pattern on linear network (object of class "lpp").
method
Optional string determining the method of calculation. Either "interpreted" or "C".
...
Ignored.
Details

Given a pattern of points on a linear network, this function computes the nearest neighbour distance for each point (i.e. the distance from each point to the nearest other point), measuring distance by the shortest path in the network. If method="C" the distances are computed using code in the C language. If method="interpreted" then the computation is performed using interpreted Rcode. The Rcode is much slower, but is provided for checking purposes.

Value

  • A numeric vector, of length equal to the number of points in X.

See Also

lpp

Aliases
  • nndist.lpp
Examples
example(lpp)
   nndist(X)
Documentation reproduced from package spatstat, version 1.34-1, License: GPL (>= 2)

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