dplR v1.7.0

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Dendrochronology Program Library in R

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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dplR

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Overview

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

Installation

The latest release version of dplR is installed from CRAN as follows:

install.packages("dplR")

The development version can be installed with devtools (install.packages("devtools")):

devtools::install_github("andybunn/dplR")

Functions in dplR

Name Description
corr.series.seg Compute Correlation between a Series and a Master Chronology
chron Build Mean Value Chronology
ccf.series.rwl Cross-Correlation between a Series and a Master Chronology
corr.rwl.seg Compute Correlations between Series
crn.plot Plot a Tree-Ring Chronology
csv2rwl Read Ring Width File from CSV
anos1 Rothenburg Tree Ring Widths
ffcsaps Smoothing Spline with User-Specified Rigidity and Frequency Cutoff
as.rwl as.rwl
gini.coef Calculate the Gini Coefficient
dplR-package Dendrochronology Program Library in R
dplR-defunct Defunct functions in dplR
detrend Detrend Multiple Ring-Width Series Simultaneously
glk Calculate Gleichl<U+00E4>ufigkeit
detrend.series Detrend a Ring-Width Series
i.detrend Interactively Detrend Multiple Ring-Width Series
plot.rwl Plotting Rwl Objects
pointer Calculates Pointer Years from a Group of Ring-Width Series
po.to.wc Convert Pith Offset to Wood Completeness
hanning Hanning Filter
plot.crs Plotting crs Objects
redfit Red-Noise Spectra of Time-Series
rwi.stats.running (Running Window) Statistics on Detrended Ring-Width Series
cms C-Method Standardization
strip.rwl Chronology Stripping by EPS
tbrm Calculate Tukey's Biweight Robust Mean
read.compact Read DPL Compact Format Ring Width File
gp.d2pith Ponderosa Pine Distance to Pith Corresponding to gp.rwl
wa082 Hurricane Ridge, Pacific silver fir
rcs Regional Curve Standardization
co021 Schulman Old Tree No. 1, Mesa Verde
combine.rwl Combine Tree-Ring Data Sets
wavelet.plot Plot a Continuous Wavelet Transform
gp.dbh Ponderosa Pine Stem Diameters and Bark Thickness (gp.rwl)
read.fh Read Heidelberg Format Ring Width File
seg.plot Segment Plot
morlet Perform a Continuous Morlet Wavelet Transform
read.crn Read Tucson Format Chronology File
latexify Convert Character Strings for Use with LaTeX
sea Superposed Epoch Analysis
common.interval Common Interval
gp.po Ponderosa Pine Pith Offsets Corresponding to gp.rwl
fill.internal.NA Fill Internal NA
print.rwl.report Do some reporting on a RWL object
latexDate Date Conversion to Character in LaTeX Format
read.ids Read Site-Tree-Core IDs
rasterPlot Add Raster Elements to Plot
read.rwl Read Ring Width File
interseries.cor Individual Series Correlation Against a Master Chronology
spag.plot Spaghetti Plot
write.crn Write Tucson Format Chronology File
xskel.ccf.plot Skeleton Plot for Series and Master with Cross Correlation
sss Subsample Signal Strength
write.rwl Write Chronology File
xskel.plot Skeleton Plot for Series and Master
series.rwl.plot Plot Series and a Master
net Calculate NET
skel.plot Skeleton Plot
gp.rwl Ponderosa Pine Ring Widths from Gus Pearson Natural Area
read.tridas Read Tree Ring Data Standard (TRiDaS) File
pass.filt Low-pass, high-pass, band-pass, and stop-pass filtering
powt Power Transformation of Tree-Ring Data
i.detrend.series Interactively Detrend a Ring-Width Series
insert.ring Edit a Ring-Width Series
print.redfit Printing Redfit Results
rwl.report Do some reporting on a RWL object
rwl.stats Calculate Descriptive Summary Statistics on Ring-Width Series
read.tucson Read Tucson Format Ring Width File
wc.to.po Convert Wood Completeness to Pith Offset
sens2 Calculate Mean Sensitivity on Series with a Trend
sens1 Calculate Mean Sensitivity
write.compact Write DPL Compact Format Ring Width File
time.rwl Return time values for rwl and crn objects
treeMean Calculate mean across cores in a tree
uuid.gen UUID Generator
tridas.vocabulary Browse and Check Standard TRiDaS Vocabulary
write.tucson Write Tucson Format Chronology File
write.tridas Write Tree Ring Data Standard (TRiDaS) file
ca533 Campito Mountain Tree Ring Widths
bai.in Basal Area Increment (Inside Out)
bai.out Basal Area Increment (Outside In)
cana157 Twisted Tree Heartrot Hill Standard Chronology
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Vignettes of dplR

Name
chron-dplR.Rnw
dplR.bib
dplR.sty
intro-dplR.Rnw
timeseries-dplR.Rnw
xdate-dplR.Rnw
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