R: Co-Ranking Matrix

coranking {coRanking} | R Documentation

## Co-Ranking Matrix

### Description

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

### Usage

    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`

[Package coRanking version 0.1.3 Index]