Internal function: Invert a permutation

Description

Finds the inverse of a permutation given as a vector of indices.

Usage

1
gsi2.invperm( i,n )

Arguments

i

a sequence of different integers in 1:n considered as a permutation given by p=unique(c(i,1:n))

n

the number of elements to be permuted

Details

The inverse permutation is defined by p[v]==1:n and v[p]==1:n.

Value

an integer vector v describing the inverse permutation of p.

Note

Do not use gsi.* functions directly since they are internal functions of the package

Author(s)

K.Gerald v.d. Boogaart http://www.stat.boogaart.de

See Also

gsi

Examples

1
#gsi2.invperm(c(2,3),10)

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