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dplR (version 1.7.5)

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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Install

install.packages('dplR')

Monthly Downloads

4,016

Version

1.7.5

License

GPL (>= 2)

Issues

0

Pull Requests

0

Stars

1

Forks

0

Maintainer

Andy Bunn

Last Published

August 30th, 2023

Functions in dplR (1.7.5)

csv2rwl

Read Ring Width File from CSV
common.interval

Common Interval
combine.rwl

Combine Tree-Ring Data Sets
chron.ci

Build Mean Value Chronology with Confidence Intervals
chron.stabilized

Build Mean Value Chronology with Stabilized Variance
corr.series.seg

Compute Correlation between a Series and a Master Chronology
corr.rwl.seg

Compute Correlations between Series
cms

C-Method Standardization
co021

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

Build ARSTAN Chronology
detrend

Detrend Multiple Ring-Width Series Simultaneously
gp.d2pith

Ponderosa Pine Distance to Pith Corresponding to gp.rwl
detrend.series

Detrend a Ring-Width Series
gp.dbh

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

Ponderosa Pine Pith Offsets Corresponding to gp.rwl
i.detrend.series

Interactively Detrend a Ring-Width Series
gp.rwl

Ponderosa Pine Ring Widths from Gus Pearson Natural Area
interseries.cor

Individual Series Correlation Against a Master Chronology
dplR-defunct

Defunct functions in dplR
hanning

Hanning Filter
dplR-package

Dendrochronology Program Library in R
ffcsaps

Smoothing Spline with User-Specified Rigidity and Frequency Cutoff
fill.internal.NA

Fill Internal NA
insert.ring

Edit a Ring-Width Series
i.detrend

Interactively Detrend Multiple Ring-Width Series
latexDate

Date Conversion to Character in LaTeX Format
nm046

Los Alamos Tree Ring Widths
net

Calculate NET
gini.coef

Calculate the Gini Coefficient
po.to.wc

Convert Pith Offset to Wood Completeness
plot.crs

Plotting crs Objects
morlet

Perform a Continuous Morlet Wavelet Transform
glk

Calculate Gleichläufigkeit
plot.rwl

Plotting Rwl Objects
latexify

Convert Character Strings for Use with LaTeX
pass.filt

Low-pass, high-pass, band-pass, and stop-pass filtering
plot.crn

Plot a Tree-Ring Chronology
pointer

Calculates Pointer Years from a Group of Ring-Width Series
powt

Power Transformation of Tree-Ring Data
print.redfit

Printing Redfit Results
read.tucson

Read Tucson Format Ring Width File
read.crn

Read Tucson Format Chronology File
read.tridas

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

Read DPL Compact Format Ring Width File
rcs

Regional Curve Standardization
read.fh

Read Heidelberg Format Ring Width File
read.rwl

Read Ring Width File
read.ids

Read Site-Tree-Core IDs
print.rwl.report

Do some reporting on a RWL object
rasterPlot

Add Raster Elements to Plot
rwl.report

Do some reporting on a RWL object
sgc

Synchronous Growth Changes
sens1

Calculate Mean Sensitivity
sens2

Calculate Mean Sensitivity on Series with a Trend
rwi.stats.running

(Running Window) Statistics on Detrended Ring-Width Series
seg.plot

Segment Plot
sea

Superposed Epoch Analysis
series.rwl.plot

Plot Series and a Master
redfit

Red-Noise Spectra of Time-Series
strip.rwl

Chronology Stripping by EPS
rwl.stats

Calculate Descriptive Summary Statistics on Ring-Width Series
treeMean

Calculate mean across cores in a tree
skel.plot

Skeleton Plot
spag.plot

Spaghetti Plot
tbrm

Calculate Tukey's Biweight Robust Mean
time.rwl

Retrieve or set the time values for rwl and crn objects
ssf

Simple Signal Free Standardization
sss

Subsample Signal Strength
tridas.vocabulary

Browse and Check Standard TRiDaS Vocabulary
uuid.gen

UUID Generator
xdate.floater

Crossdate an undated series
write.tridas

Write Tree Ring Data Standard (TRiDaS) file
wavelet.plot

Plot a Continuous Wavelet Transform
xskel.ccf.plot

Skeleton Plot for Series and Master with Cross Correlation
wc.to.po

Convert Wood Completeness to Pith Offset
wa082

Hurricane Ridge, Pacific silver fir
write.tucson

Write Tucson Format Chronology File
xskel.plot

Skeleton Plot for Series and Master
write.rwl

Write Chronology File
write.crn

Write Tucson Format Chronology File
write.compact

Write DPL Compact Format Ring Width File
cana157

Twisted Tree Heartrot Hill Standard Chronology
bai.in

Basal Area Increment (Inside Out)
bai.out

Basal Area Increment (Outside In)
ccf.series.rwl

Cross-Correlation between a Series and a Master Chronology
caps

Cook and Peters Smoothing Spline with User-Specified Rigidity and Frequency Cutoff
ads

Age-Dependent Spline
as.rwl

as.rwl
ca533

Campito Mountain Tree Ring Widths
anos1

Rothenburg Tree Ring Widths
chron

Build Mean Value Chronology