Description Usage Arguments Details Value Examples
This is an internal CPP function, used by the R function
hoeffding.refined.test
.
1 | .calc.refined(perm)
|
perm |
An integer vector containing exactly 0,1,...,n-1 in any order. The validity of the input is not checked by this function. |
Given (X1,Y1),...,(Xn,Yn), the refined Hoeffding statistic Rn only depends on the permutation P that satisfies rank Yi = P[rank Xi]. This function computes Rn given P in O(n log n) time.
The refined Hoeffding statistic of perm
.
The normalization is such that -1/180 <= R <= 1/90.
The return value -1.0 indicates an error.
1 2 3 4 5 6 7 8 9 | .calc.refined(0:4)
## [1] 0.01111111
.calc.refined(c(0,3,2,1,4))
## [1] -0.005555556
set.seed(397)
.calc.refined(order(runif(1000))-1) * 36
## [1] 0.004414034
|
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