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8.2.45.59 octave.dataset.sleep

Static Method: out = sleep ()

Student’s Sleep Data

Description

Data which show the effect of two soporific drugs (increase in hours of sleep compared to control) on 10 patients.

Format

id

Patient ID.

group

Drug given.

extra

Increase in hours of sleep.

Details

The group variable name may be misleading about the data: They represent measurements on 10 persons, not in groups.

Source

Cushny, A. R. and Peebles, A. R. (1905). The action of optical isomers: II hyoscines. The Journal of Physiology, 32, 501–510.

Student (1908). The probable error of the mean. Biometrika, 6, 20.

References

Scheffé, Henry (1959). The Analysis of Variance. New York, NY: Wiley.

Examples

t = octave.dataset.sleep;

# TODO: Port to Octave