nnd {swaRm} | R Documentation |
Nearest Neihgbor Distance
Description
Given the locations of different objects, this function determines the distance of the nearest neighboring object to each object.
Usage
nnd(x, y, geo = FALSE)
Arguments
x |
A vector of x (or longitude) coordinates. |
y |
A vector of y (or latitude) coordinates. |
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 distance to the nearest neighboring object for each object.
Author(s)
Simon Garnier, garnier@njit.edu
See Also
Examples
x <- rnorm(25)
y <- rnorm(25, sd = 3)
id <- 1:25
nnd(x, y)
[Package swaRm version 0.6.0 Index]