R Dataset / Package boot / poisons

On this R-data statistics page, you will find information about the poisons data set which pertains to Animal Survival Times. The poisons data set is found in the boot R package. You can load the poisons data set in R by issuing the following command at the console data("poisons"). This will load the data into a variable called poisons. If R says the poisons data set is not found, you can try installing the package by issuing this command install.packages("boot") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the poisons R data set. The size of this file is about 643 bytes.

Animal Survival Times

Description

The poisons data frame has 48 rows and 3 columns.

The data form a 3x4 factorial experiment, the factors being three poisons and four treatments. Each combination of the two factors was used for four animals, the allocation to animals having been completely randomized.

Usage

poisons

Format

This data frame contains the following columns:

time

The survival time of the animal in units of 10 hours.

poison

A factor with levels 1, 2 and 3 giving the type of poison used.

treat

A factor with levels A, B, C and D giving the treatment.

Source

The data were obtained from

Box, G.E.P. and Cox, D.R. (1964) An analysis of transformations (with Discussion). Journal of the Royal Statistical Society, B, 26, 211–252.

References

Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.

Dataset imported from https://www.r-project.org.

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