Co-Ranking Matrix

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Description

Calculate the co-ranking matrix to assess the quality of a diminsionality reduction.

Usage

1
coranking(Xi, X, input = c("data", "dist", "rank"), use = "C")

Arguments

Xi

high dimensional data

X

low dimensional data

input

type of input (see. details)

use

R or C backend

Details

Calculate the coranking matrix, to assess the quality of a dimensionality reduction. Xi is input in high dimensions, X is input in low dimensions the type of input is given in input, if input = 'data' it will be transformed into a distance matrix with the dist function, id input == 'rank', Xi and X are expected do be rank matrices.

Value

a matrix of class 'coranking'

Author(s)

Guido Kraemer

See Also

rankmatrix