| nn {swaRm} | R Documentation |
Nearest Neighbor
Description
Given the locations of different objects, this function determines the identity of the nearest neighboring object to each object.
Usage
nn(x, y, id, geo = FALSE)
Arguments
x |
A vector of x (or longitude) coordinates. |
y |
A vector of y (or latitude) coordinates. |
id |
A vector corresponding to the unique identities of each track. |
geo |
A logical value indicating whether the locations are defined by geographic coordinates (pairs of longitude/latitude values). Default: FALSE. |
Value
A vector of the same length as x and y representing the identity of the nearest neighboring object to each object.
Author(s)
Simon Garnier, garnier@njit.edu
See Also
Examples
x <- rnorm(25)
y <- rnorm(25, sd = 3)
id <- 1:25
nn(x, y, id)
[Package swaRm version 0.6.0 Index]