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TRADER (version 1.2-6)

Tree Ring Analysis of Disturbance Events in R

Description

Tree Ring Analysis of Disturbance Events in R (TRADER) package provides functions for disturbance reconstruction from tree-ring data, e.g. boundary line, absolute increase, growth averaging methods.

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install.packages('TRADER')

Monthly Downloads

418

Version

1.2-6

License

GPL-2 | GPL-3

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Maintainer

Pavel Fibich

Last Published

February 12th, 2025

Functions in TRADER (1.2-6)

reduceByLB

Reduce releases by length and buffer.
plotGrowth

Plot growth of all trees.
plotFirstYears

Plot first years of trees.
relData

Release data
splechtna

Splechtna et al. 2005 type of releases analysis.
splechtnaALL

Overal function for Splechtna et al. 2005 type of releases analysis.
plotRelease

Plot releases according the given method.
plotNORelease

Plot number of releases.
plotBoundary

Plot boundary line.
help

Help functions.
TRADER-package

Tree Ring Analysis of Disturbance Events in R
boundaryLineALL

Overal function for Black and Abrams 2003 method or "pure boundary line".
noblabrams

Nowacki and Abrams 1997, Black and Abrams 2003 or "pure boundary line".
doAll

Do all implemented analyses, write tables and figures.
boundaryGet

Get values for fitting boundary line.
growthAveragingALL

Overal function for Nowacki and Abrams 1997 method.
absTreshold

Compute absolute threshold
absoluteIncreaseALL

Overal function for Fraver & White 2005 method called "absolute increase"
boundaryFit

Fit multiple boundary lines.
absoluteIncrease

Analysis by Fraver & White 2005 called "absolute increase"