rats {chandwich} | R Documentation |
Rat tumor data
Description
Tumor incidence in 71 groups of rate from Tarone (1982).
The matrix rat
has 71 rows and 2 columns.
Each row relates to a different group of rats.
The first column (y
) contains the number of rats with tumors.
The second column (n
) contains the total number of rats.
Usage
rats
Format
A matrix with 71 rows and 2 columns.
Source
Table 5.1 of Gelman, A., Carlin, J. B., Stern, H. S. Dunson, D. B., Vehtari, A. and Rubin, D. B. (2013) Bayesian Data Analysis, Chapman & Hall / CRC. http://www.stat.columbia.edu/~gelman/book/data/rats.asc
References
Tarone, R. E. (1982) The use of historical information in testing for a trend in proportions. Biometrics, 38, 215-220.
[Package chandwich version 1.1.6 Index]