Description Usage Arguments Details Value References Examples
Spearman's Rank Correlation test by Lehmann (1975) and Sneyers (1990) is useful in detecting trends.
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- Time series data vector |
Spearman's Rank Correlation test by Lehmann (1975) and Sneyers (1990) is implemeted in this function.
Correlation coefficient - Spearman's Correlation coefficient value
Z-Tranformed Test Statistic value - Z-transform value to test significance ρ(√{n-1})
Lehmann, E. L. (1975). Nonparametrics: statistical methods based on ranks. Holden-Day, Inc., California, 457 pp.
Sneyers, R. (1990). On the statistical analysis of series of observations. World Meteorological Organization, Technical Note no. 143, WMO no. 415, 192 pp.
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