Learn R Programming

evidence (version 0.8.10)

rats: Carcinogenesis data on rats exposed to a carcinogen.

Description

Up to forty eight rats were exposed to the carcinogen retinyl acetate or to a placebo in their diet, after which the number of tumors they developed was evaluated.

Usage

data(rats)

Arguments

Format

A data frame with 71 observations on the following 2 variables:

y

number of rats that developed tumors

N

number of rats in group

References

van Hulst, R. 2018. Evaluating Scientific Evidence. ms.