Tumor incidence in 71 groups of rate from Tarone (1982).
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.
A matrix with 71 rows and 2 columns.
Table 5.1 of Gelman, A., Carlin, J. B., Stern, H. S. Dunson, D. B., Vehtari, A. and Rubin, D. B. (2014) Bayesian Data Analysis, Chapman & Hall / CRC. http://www.stat.columbia.edu/~gelman/book/data/rats.asc
Tarone, R. E. (1982) The use of historical information in testing for a trend in proportions. Biometrics, 38, 215-220. https://doi.org/10.2307/2530304
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