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modifiedmk

The package is useful in implementing Non-parametric Mann-Kendall trend tests and Spearman’s Rank Correlation Coefficient tests.

The package contains the following varians of Trend-Tests

• Mann-Kendall trend test (MK)

• Mann-Kendall trend test for Pre-Whitened series (PW-MK)

• Mann-Kendall trend test for Bias-Corrected Pre-Whitened series (BCPW-MK)

• Mann-Kendall trend test for Trend-Free Pre-Whitened series (TFPW-MK)

• Block Bootstrapping with Mann-Kendall test (BBSMK)

• Modified Mann-Kendall trend using Variance Correction Approach by Hamed and Rao (1998)

• Modified Mann-Kendall trend using Variance Correction Approach by Hamed and Rao (1998) considering significant lags upto lag-3

• Modified Mann-Kendall trend using Variance Correction Approach suggested by Yue and Wang (2004)

• Modified Mann-Kendall trend using Variance Correction Approach suggested by Yue and Wang (2004) considering only lag-1 auto correlation coefficient

• Spearman’s Rank Correlation test

• Block Bootstrapping with Spearman’s Rank Correlation test (BBSSR)

• Trend magnitude is calculated by Sen’s slope method

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.