R: Mixture M5 Data

M5data {tclust} | R Documentation

## Mixture M5 Data

### Description

A bivariate data set obtained from three normal bivariate distributions with different scales and proportions 1:2:2. One of the components is very overlapped with another one. A 10% background noise is added uniformly distributed in a rectangle containing the three normal components and not very overlapped with the three mixture components. A precise description of the M5 data set can be found in García-Escudero et al. (2008).

### Usage

    M5data

### Format

The first two columns are the two variables. The last column is the true classification vector where symbol "0" stands for the contaminating data points.

### Source

García-Escudero, L.A.; Gordaliza, A.; Matrán, C. and Mayo-Iscar, A. (2008), "A General Trimming Approach to Robust Cluster Analysis". Annals of Statistics, Vol.36, pp. 1324-1345. Technical report available at http://www.eio.uva.es/inves/grupos/representaciones/trTCLUST.pdf

[Package tclust version 1.3-1 Index]