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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.

Variables:

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.

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References/Notes/Attributions:

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.

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