Bartlett2 {MLGdata}

Bartlett data on plum root cuttings

Description

In an experiment to investigate the effect of cutting length (two levels) and planting time (two levels) on the survival of plum root cuttings, 240 cuttings were planted for each of the 2 x 2 combinations of these factors, and their survival was later recorded.

Usage

Bartlett2

Format

A data frame with 4 rows and 4 columns related to the cross-classification of 960 observations. The variables are:

Alive

number of plum root cuttings survived

Dead

number of plum root cuttings dead

Time

factor w/ 2 levels (Now, Spring)

Length

factor w/ 2 levels (Long, Short)

Source

Hand, D. and Daly, F. and Lunn, A. D.and McConway, K. J. and Ostrowski, E. (1994). A Handbook of Small Data Sets. London: Chapman & Hall, p. 15, # 19.

References

Bartlett, M. S. (1935). Contingency Table Interactions Journal of the Royal Statistical Society, Supplement, 1935, 2, 248-252.

See Also

Bartlett for the same data in table format