poison.data: Poison example data set

In BHH2: Useful Functions for Box, Hunter and Hunter II

Description

Poison data from Biological Experiment

Usage

data(poison.data)

Format

This data frame contains the following columns:

poison

factor with 3 levels: P1, P2 and P3.

treat

factor with 4 levels: trA, trB, trC and trD.

y

numeric. Survival time as response.

Source

Box, G. E. P. and D. R. Cox, An Analysis of Transformations (with discussion), Journal of the Royal Statistical Society, Series B, Vol. 26, No. 2, pp. 211–254.

References

Box G. E. P, Hunter, J. S. and Hunter, W. C. (2005). Statistics for Experimenters II. New York: Wiley.

Examples

data(poison.data)
str(poison.data)
plot(poison.data)

Example output

'data.frame':	48 obs. of  3 variables:
 $ poison: Factor w/ 3 levels "I","II","III": 1 1 1 1 2 2 2 2 3 3 ...
 $ treat : Factor w/ 4 levels "A","B","C","D": 1 1 1 1 1 1 1 1 1 1 ...
 $ y     : num  0.31 0.45 0.46 0.43 0.36 0.29 0.4 0.23 0.22 0.21 ...

BHH2 documentation built on May 1, 2019, 6:27 p.m.