rebmix (version 2.4.2)

galaxy: Galaxy Dataset

Description

The unfilled survey of the Corona Borealis region contains the velocities of 82 galaxies from 6 well separated conic sections of space.

Usage

galaxy

format

galaxy is a data frame with 82 cases (rows) and 1 continuous variable (columns) called Velocity.

source

Roeder K (1990). Density Estimation with Confidence Sets Exemplified by Superclusters and Voids in the Galaxies. Journal of American Statistical Association, 85, 617-624.

References

Richardson S, Green PJ (1997). On Bayesian Analysis of Mixtures with an Unknown Number of Components. Journal of the Royal Statistical Society B, 59, 731-792. McLachlan GJ, Peel D (1997). Contribution to the Discussion of Paper by S. Richardson and P.J. Green. Journal of the Royal Statistical Society B, 59, 779-780. Stephens M (2000). Bayesian Analysis of Mixture Models with an Unknown Number of Components - An Alternative to Reversible Jump Methods. The Annals of Statistics, 28, 40-74.

Examples

data("galaxy")

colnames(galaxy)

## Write dataset into tab delimited ASCII file.

write.table(galaxy, file = "galaxy.txt", sep = "t", 
  eol = "", row.names = FALSE, col.names = FALSE)
  
## Write dataset into rda file.

save(galaxy, file = "galaxy.rda")