Tests for homogeneity of seasonal trends using method proposed by van Belle
and Hughes (1984). Seasons with insufficient data as defined in
mannKen are ignored.
Usage
trendHomog(x)
Value
chisq.trend
"Trend" chi-square.
chisq.homog
"Homogeneous" chi-square.
p.value
For null
hypothesis that trends are homogeneous.
n
Number of seasons used.
Arguments
x
A vector time series with frequency > 1
Author
Alan Jassby, James Cloern
References
van Belle, G. and Hughes, J.P. (1984) Nonparametric tests for
trend in water quality. Water Resources Research20, 127-136.