Sleep {PairedData}

Sleep hours data from Preece (1982, Table 16)

Description

This dataset presents paired data corresponding to the sleep hours gained by 10 patients (these are differences indeed) using two isomers (Dextro- and Laevo-). These data from Student were studied by Fischer (1925). Read the paper of Preece (1982, section 9) for a complete understanding of this quite complex situation.

Usage

data(Sleep)

Format

A dataframe with 10 rows and 2 columns:

[,1]	Dextro	numeric	sleep hour gain
[,2]	Laevo	numeric	sleep hour gain

Source

Fisher, R.A. (1925) Statistical Metods for Research Workers. Oliver and Boyd: Edinburgh.

References

Preece, D.A. (1982) t is for trouble (and textbooks): a critique of some examples of the paired-samples t-test. The Statistician, 31 (2), 169-195.