Galaxy Data

Counts of galaxies binned by redshift and magnitude, from Table 8.5. The data have been reshaped into long format with variables for magnitude, redshift category, and frequency count.

Format

A data frame with 270 rows and 3 variables:

mag

Magnitude category (1-18)

red

Redshift category (1-15)

freq

Number of galaxies in this bin

Source

https://hastie.su.domains/CASI_files/DATA/galaxy.txt

References

Efron, B. and Hastie, T. (2016). Computer Age Statistical Inference. Cambridge University Press, Table 8.5.