R: Galaxy velocities

galaxy {DPpackage} | R Documentation

## Galaxy velocities

### Description

This data set consider physical information on velocities (km/second) for 82 galaxies reported by Roeder (1990). These are drawn from six well-separated conic sections of the Corona Borealis region.

### Usage

    data(galaxy)

### Format

A data frame with 82 observations on the following variable.

`speed`

  a numeric vector giving the speed of galaxies ((km/second))

### Source

Roeder, K. (1990) Density estimation with confidence sets exemplified by superclusters and voids in the galaxies, Journal of the American Statistical Association, 85: 617-624.

### References

Escobar, M.D. and West, M. (1995) Bayesian Density Estimation and Inference Using Mixtures. Journal of the American Statistical Association, 90: 577-588.

### Examples

    data(galaxy)
    ## maybe str(galaxy) ; plot(galaxy) ...

[Package DPpackage version 1.1-7.4 Index]