Ward Dispersal Kernel -- vectorized, optimized for speed

A probability distribution used in LANDIS-II.

Ward(dist, cellSize, effDist, maxDist, k, b, algo = 2)

Arguments

dist

A vector of distances to evaluate kernel against

cellSize

A numeric, length 1, of the cell resolution (e.g., res(raster))

effDist

A vector of effective distance (parameter in kernel), with same length as dist

maxDist

A vector of maximum distance (parameter in kernel), with same length as dist

k

A parameter in the kernel

b

A parameter in the kernel

algo

Either 1 or 2. 2 is faster and is default. 1 is "simpler code" as it uses ifelse

Author

Eliot McIntire