mk_sen_pettitt: Calculate Mann-Kendall, Pettitt, Sen tests

In flogrc/piflow: Precipitation and discharge analysis tools with zoo vector

Description

Obtain trend with Mann-Kendall test, breaking point with Pettitt test and Sen test to have the coefficient of regression

Usage

mk_sen_pettitt(data)

Arguments

data	[zoo] vector with daily, monthly, seasonnal or annual with date in %Y-%m-%d

Value

List that contains

• $res_mk [list] resume of MK test

• $symbol_mk [zoo] vector with MK symbol according to pvalue of MK test:

  • "-" if pvalue > 0.1
    

  • "+" if 0.1 > pvalue > 0.05
    

  • "++" if 0.05 > pvalue > 0.01
    

  • "+++" if pvalue < 0.01
    

• $pettitt [list] resume of Pettitt test

• $symbol_pettitt [zoo] vector with Pettitt symbol according to Pettitt test:

  • "-" if pvalue > 0.1
    

  • "+" if 0.1 > pvalue > 0.05
    

  • "++" if 0.05 > pvalue > 0.01
    

  • "+++" if pvalue < 0.01
    

• $slope [numeric] slope according to Sen test

Author(s)

Florine Garcia ([e-mail])

Pierre L'Hermite ([e-mail])

Examples

#'## Loading data
data("dailyPrec_bv1")

result <- mk_sen_pettitt(dailyPrec)

flogrc/piflow documentation built on May 24, 2019, 7:34 a.m.