JetLagKnees: Circadian Rhythm Phase Shift

In abd: The Analysis of Biological Data

Description

Shift in circadian rhythm (hours; shift) in three light treatments (treatment).

Usage

data(JetLagKnees)

Format

A data frame with 22 observations on the following 2 variables.

treatment

a factor with levels control, eyes, and knee

shift

a numeric vector

Source

inferred from Wright, K.P., Jr. and C.A. Czeisler 2002. Absence of circadian phase resetting in response to bright light behind the knees. Science 297: 571.

References

http://www.sciencemag.org/cgi/content/full/297/5581/571

Examples

data(JetLagKnees)
JetLagKnees
str(JetLagKnees)

# since data set is small, no need to summarize
xyplot(shift ~ treatment, data = JetLagKnees)
bwplot(shift ~ treatment, data = JetLagKnees)

abd documentation built on May 2, 2019, 4:46 p.m.