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\name{fisherB11}
\alias{fisherB11}
\alias{fisherB11c}
\title{B.11 Movements of sea stars}
\usage{
data(fisherB11)
data(fisherB11c)
}
\description{
Resultant directions of 22 sea stars 11 days after being displaced from their natural habitat.
}
\format{
\code{fisherB11} a vector of 22 observations (in degrees).
\code{fisherB11c} contains the same observations in a circular objects.
}
\source{
G.J.G. Upton and B. Fingleton (1989) Spatial Data Analysis by Example. Volume 2. Categorical and Directional Data. New York: John Wiley
as adapted from
B. Pabst and H. Vicentini (1978) Dislocation experiments in the migrating seastar. Astropecten jonstoni. Marine Biology 48, 271-8.
}
\seealso{
N.I. Fisher (1993) Statistical analysis of circular data. Cambridge University Press. Pag. 245.
}
\examples{
data(fisherB11c)
plot(fisherB11c, stack=TRUE, shrink=1.5)
}
\keyword{datasets}
|
