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dplR (version 1.7.7)

Dendrochronology Program Library in R

Description

Perform tree-ring analyses such as detrending, chronology building, and cross dating. Read and write standard file formats used in dendrochronology.

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Version

Install

install.packages('dplR')

Monthly Downloads

5,635

Version

1.7.7

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Maintainer

Andy Bunn

Last Published

June 1st, 2024

Functions in dplR (1.7.7)

chron

Build Mean Value Chronology
combine.rwl

Combine Tree-Ring Data Sets
corr.series.seg

Compute Correlation between a Series and a Master Chronology
common.interval

Common Interval
chron.ci

Build Mean Value Chronology with Confidence Intervals
cms

C-Method Standardization
chron.ars

Build ARSTAN Chronology
corr.rwl.seg

Compute Correlations between Series
co021

Schulman Old Tree No. 1, Mesa Verde
chron.stabilized

Build Mean Value Chronology with Stabilized Variance
gp.d2pith

Ponderosa Pine Distance to Pith Corresponding to gp.rwl
detrend

Detrend Multiple Ring-Width Series Simultaneously
csv2rwl

Read Ring Width File from CSV
fill.internal.NA

Fill Internal NA
glk

Calculate Gleichläufigkeit
gini.coef

Calculate the Gini Coefficient
detrend.series

Detrend a Ring-Width Series
dplR-defunct

Defunct functions in dplR
latexDate

Date Conversion to Character in LaTeX Format
gp.rwl

Ponderosa Pine Ring Widths from Gus Pearson Natural Area
insert.ring

Edit a Ring-Width Series
i.detrend.series

Interactively Detrend a Ring-Width Series
i.detrend

Interactively Detrend Multiple Ring-Width Series
latexify

Convert Character Strings for Use with LaTeX
hanning

Hanning Filter
dplR-package

Dendrochronology Program Library in R
ffcsaps

Smoothing Spline with User-Specified Rigidity and Frequency Cutoff
interseries.cor

Individual Series Correlation Against a Master Chronology
plot.crs

Plotting crs Objects
plot.crn

Plot a Tree-Ring Chronology
nm046

Los Alamos Tree Ring Widths
pass.filt

Low-pass, high-pass, band-pass, and stop-pass filtering
pointer

Calculates Pointer Years from a Group of Ring-Width Series
gp.dbh

Ponderosa Pine Stem Diameters and Bark Thickness (gp.rwl)
morlet

Perform a Continuous Morlet Wavelet Transform
net

Calculate NET
gp.po

Ponderosa Pine Pith Offsets Corresponding to gp.rwl
powt

Power Transformation of Tree-Ring Data
plot.rwl

Plotting Rwl Objects
po.to.wc

Convert Pith Offset to Wood Completeness
read.compact

Read DPL Compact Format Ring Width File
print.rwl.report

Do some reporting on a RWL object
read.fh

Read Heidelberg Format Ring Width File
print.redfit

Printing Redfit Results
read.crn

Read Tucson Format Chronology File
read.rwl

Read Ring Width File
read.tridas

Read Tree Ring Data Standard (TRiDaS) File
read.ids

Read Site-Tree-Core IDs
rasterPlot

Add Raster Elements to Plot
rcs

Regional Curve Standardization
rwl.report

Do some reporting on a RWL object
series.rwl.plot

Plot Series and a Master
read.tucson

Read Tucson Format Ring Width File
rwl.stats

Calculate Descriptive Summary Statistics on Ring-Width Series
sens2

Calculate Mean Sensitivity on Series with a Trend
sens1

Calculate Mean Sensitivity
seg.plot

Segment Plot
rwi.stats.running

(Running Window) Statistics on Detrended Ring-Width Series
redfit

Red-Noise Spectra of Time-Series
sea

Superposed Epoch Analysis
sgc

Synchronous Growth Changes
spag.plot

Spaghetti Plot
sss

Subsample Signal Strength
treeMean

Calculate mean across cores in a tree
skel.plot

Skeleton Plot
strip.rwl

Chronology Stripping by EPS
tbrm

Calculate Tukey's Biweight Robust Mean
time.rwl

Retrieve or set the time values for rwl and crn objects
tridas.vocabulary

Browse and Check Standard TRiDaS Vocabulary
ssf

Simple Signal Free Standardization
wa082

Hurricane Ridge, Pacific silver fir
uuid.gen

UUID Generator
write.rwl

Write Chronology File
xdate.floater

Crossdate an undated series
write.crn

Write Tucson Format Chronology File
write.compact

Write DPL Compact Format Ring Width File
write.tucson

Write Tucson Format Chronology File
wavelet.plot

Plot a Continuous Wavelet Transform
wc.to.po

Convert Wood Completeness to Pith Offset
write.tridas

Write Tree Ring Data Standard (TRiDaS) file
zof.anc

Ancillary Data Corresponding to zof.rwl
zof.rwl

European Beech Ring Widths from Zofingen, Switzerland
xskel.plot

Skeleton Plot for Series and Master
xskel.ccf.plot

Skeleton Plot for Series and Master with Cross Correlation
as.rwl

as.rwl
bakker

Basal Area Increment (Bakker)
bai.in

Basal Area Increment (Inside Out)
caps

Cook and Peters Smoothing Spline with User-Specified Rigidity and Frequency Cutoff
ccf.series.rwl

Cross-Correlation between a Series and a Master Chronology
ads

Age-Dependent Spline
cana157

Twisted Tree Heartrot Hill Standard Chronology
ca533

Campito Mountain Tree Ring Widths
bai.out

Basal Area Increment (Outside In)
anos1

Rothenburg Tree Ring Widths