DaphniaResistance: Daphnia Resistance to Cyanobacteria

Description Format Source Examples

Description

Resistance of Daphnia eggs to different levels of cyanobacteria (cyandensity) from 1962-1997.

Format

A data frame with 32 observations on the following 2 variables.

density

a factor with levels: high, low, and med

resistance

a numeric vector

Source

inferred from Hairston, N.G., Jr., W. Lampert, C.E. C<c3><a1>ceres, C.L. Holtmeier, L.J. Weider, U. Gaedke, J.M. Fischer, J.A. Fox, and D.M. Post. 1999. Dormant eggs record rapid evolution. Nature 401: 446.

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
str(DaphniaResistance)


bwplot(resistance ~ density, DaphniaResistance)
# with such a small data set, we can display all the data
# rather than a summary
xyplot(resistance ~ density, DaphniaResistance)
histogram( ~ resistance| density, DaphniaResistance,
	strip=FALSE, strip.left = TRUE,
	layout=c(1,3)
	)

abd documentation built on May 2, 2019, 2:14 p.m.