Survial times of animals in a 3 x 4 factorial experiment involving poisons (3 levels) and various treatments (four levels), as described in Chapter 8 of Box, Hunter and Hunter.
This data frame was originally
poison.data from the package
BHH2, but as presented here has added columns; no NAs.
Factor with three levels I, II, and III.
Factor with four levels, A, B, C, and D.
Factor with 12 levels, 1:12.
Numeric; survival time.
Numeric; inverse of SurvTime
RateSurvTime scores have been converted to ranks, and then rescaled to have the same median as and a spread comparable to
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.
Box G. E. P, Hunter, J. S. and Hunter, W. C. (2005). Statistics for Experimenters II. New York: Wiley.
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