It calculates a trend test using the rank-based nonparametric Mann-Kendall method.
Usage
trend.test(object, significance.level = 0.05)
Arguments
object
is a daily or monthly precipitation serie.
significance.level
is the significance level to be considered in the analysis.
It is usually equals to 5% (default: 0.05).
Value
A trend test index.
References
H. B. Mann (1945). Nonparametric tests against trend. Econometrica, vol. 13, pp. 245-259.
M. G. Kendall (1975). Rank Correlation Methods. Griffin, London, UK.