Description Usage Format Source References Examples
19 measuremenents of wind direction 'theta' and ozone level 'x' taken at 6.00am at four-day intervals between April 18th and June 29th, 1975 at a weather station in Milwaukee.
1 2 |
fisherB18
is a data.frame
of integer value.
fisherB18c
is a data.frame
that contains the same observations, but in the first column, the data is a circular
object.
N.I. Fisher (1993) pag. 251. Johnson & Wehrly (1977, Table 1).
N.I. Fisher (1993) Statistical analysis of circular data. Cambridge University Press.
1 2 3 4 5 6 7 | data(fisherB18)
data(fisherB18c)
par(mfcol=c(1,3))
plot(fisherB18c$theta, xlab=expression(theta))
boxplot(fisherB18c$x, xlab="x")
plot(c(fisherB18$x, fisherB18$x), c(fisherB18$theta,
fisherB18$theta+360), xlab="x", ylab=expression(theta))
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