Description Usage Arguments Value Examples
View source: R/permutationDistances.r
Manhattan distance for permutations, scaled to values between 0 and 1:
d(x,y) = 1/r * ∑_{i=1}^n |x_i - y_i|
where n is the length of the permutations x and y, and scaling factor r=(n^2-1)/2 (if n is odd) or r=((n^2)/2 (if n is even).
1 |
x |
first permutation (integer vector) |
y |
second permutation (integer vector) |
numeric distance value
d(x,y)
, scaled to values between 0 and 1 (based on the maximum possible distance between two permutations)
1 2 3 4 5 | x <- 1:5
y <- c(5,1,2,3,4)
distancePermutationManhattan(x,y)
p <- replicate(10,sample(1:5),simplify=FALSE)
distanceMatrix(p,distancePermutationManhattan)
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