distm

0th

Percentile

Distance matrix

Distance matrix of a set of points, or between two sets of points

Keywords
spatial
Usage
distm(x, fun=distHaversine)
distm2(x, y, fun=distHaversine)
Arguments
x
longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object
y
Same as x
fun
A function to compute distances (e.g., distCosine, distHaversine, distVincenty*)
Value

  • Matrix of distances

References

http://en.wikipedia.org/wiki/Great_circle_distance

See Also

distCosine, distHaversine, distVincentySphere, distVincentyEllipsoid

Aliases
  • distm
  • distm2
Examples
xy <- rbind(c(0,0),c(90,90),c(10,10),c(-120,-45))
distm(xy)
xy2 <- rbind(c(0,0),c(10,-10))
distm2(xy, xy2)
Documentation reproduced from package geosphere, version 1.2-15, License: GPL

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