astrochron: A Computational Tool for Astrochronology

Routines for astrochronologic testing, astronomical time scale construction, and time series analysis. Also included are a range of statistical analysis and modeling routines that are relevant to time scale development and paleoclimate analysis.

AuthorStephen Meyers
Date of publication2016-09-05 20:19:35
MaintainerStephen Meyers <smeyers@geology.wisc.edu>
LicenseGPL-3
Version0.6.5

View on CRAN

Man pages

anchorTime: Anchor a floating astrochronology to a radioisotopic age

ar1: Generate AR(1) surrogates

ar1etp: AR(1) + ETP simulation Routine

arcsinT: Arcsine Transformation of Stratigraphic Series

armaGen: Generate Autoregressive Moving-average Model

asm: Average Spectral Misfit

astrochron-package: astrochron: A Computational Tool for Astrochronology

autoPlot: Automatically plot multiple stratigraphic series, with...

bandpass: Bandpass Filter Stratigraphic Series

bergerPeriods: Obliquity and Precession Periods of Berger et al. (1992)

cb: Combine Multiple Vectors

clipIt: Create non-linear response by clipping stratigraphic series

constantSedrate: Apply a constant sedimentation rate model to transform a...

cosTaper: Apply Cosine Taper to Stratigraphic Series

cycles: Generate Harmonic Model

delPts: Interactively Delete Points in Plot

demean: Remove Mean Value from Stratigraphic Series

detrend: Subtract Linear Trend from Stratigraphic Series

divTrend: Divide by Linear Trend in Stratigraphic Series

dpssTaper: Apply DPSS Taper to Stratigraphic Series

eAsm: Evolutive Average Spectral Misfit

eAsmTrack: Track ASM Null Hypothesis significance level minima in eASM...

eha: Evolutive Harmonic Analysis

etp: Generate Eccentricity-Tilt-Precession Models

extract: Extract record from EHA time-frequency output or eAsm output

flip: Flip stratigraphic series

freq2sedrate: Convert record of local spatial frequency (from EHA) to...

gausTaper: Apply Gaussian Taper to Stratigraphic Series

getColor: Query R for color information

getData: Download file from astrochron data server

getLaskar: Download Laskar et al. (2004, 2011a, 2011b) astronomical...

hannTaper: Apply Hann Taper to Stratigraphic Series

headn: List Column Numbers for Each Variable

hilbert: Hilbert Transform of Stratigraphic Series

idPts: Interactively Identify Points in Plot

integratePower: Determine the total power within a given bandwidth

iso: Isolate Data from a Specified Stratigraphic Interval

linage: Tune stratigraphic series to an astronomical target using...

linterp: Piecewise Linear Interpolation of Stratigraphic Series

logT: Log Transformation of Stratigraphic Series

lowpass: Lowpass Filter Stratigraphic Series

lowspec: Robust Locally-Weighted Regression Spectral Background...

modelA: Example stratigraphic model series

mtm: Multitaper Method Spectral Analysis

mtmAR: Intermediate spectrum test of Thomson et al. (2001)

mtmML96: Mann and Lees (1996) robust red noise MTM analysis

noKernel: Remove Gaussian Kernel Smoother from Stratigraphic Series

noLow: Fit and Remove Lowess Smoother from Stratigraphic Series

pad: Pad Stratigraphic Series with Zeros

peak: Identify maxima of peaks in series, filter at desired...

periodogram: Simple Periodogram

pl: Set Up Plots

plotEha: Create color time-frequency plots from eha results

plS: Set default plotting parameters for vertical stratigraphic...

prewhiteAR: Prewhiten Stratigraphic Series with Autoregressive Filter,...

prewhiteAR1: Prewhiten Stratigraphic Series with AR1 filter, using...

rankSeries: Create lithofacies rank series from bed thickness data

read: Read Data from File

readMatrix: Read Data Matrix from File

repl0: Replace Values < 0 with 0

replEps: Replace Values <= 0 with Smallest Positive Value

resample: Resample Stratigraphic Series

rmNA: Remove stratigraphic levels that contain one or more NAs

s: Standardize variable in Stratigraphic Series

sedRamp: Apply 'ramping' sedimentation rate model to convert time to...

sedrate2time: Integrate sedimentation rate curve to obtain time-space map

sortNave: Remove Missing Entries, Sort Data, Average Duplicates

stepHeat: Ar/Ar Geochronology: Generate an Ar/Ar age spectrum and...

strats: Summary Statistics for Stratigraphic Series

surrogateCor: Estimate correlation coefficient and significance for...

surrogates: Generate phase-randomized surrogate series as in Ebisuzaki...

taner: Apply Taner Bandpass or Lowpass Filter to Stratigraphic...

testPrecession: Astrochronologic testing via the amplitude modulation...

timeOpt: TimeOpt: Evaluation of eccentricity-related amplitude...

timeOptSim: Monte Carlo Simulation for TimeOpt

tones: Calculate all possible difference and combinations tones

traceFreq: Frequency-domain minimal tuning: Use interactive graphical...

trackFreq: Frequency-domain minimal tuning: Use interactive graphical...

trim: Remove Outliers from Stratigraphic Series

trimAT: Remove Outliers from Stratigraphic Series

trough: Identify minima of troughs in series, filter at desired...

tune: Tune Stratigraphic Series

writeCSV: Write CSV File

writeT: Write Tab-delimited File

wtMean: Ar/Ar Geochronology: calculate weighted mean age, age...

xplot: Generate Cross-plot with Density Estimates on Axes

zoomIn: Dynamically explore cross-plot, zoom-in into specified region

Files in this package

astrochron
astrochron/inst
astrochron/inst/CITATION
astrochron/src
astrochron/src/peak_v2_R.f
astrochron/src/demean_v2.f
astrochron/src/detrend_v2.f
astrochron/src/trough_v2_R.f
astrochron/src/tune_v2_R.f
astrochron/src/asm1.8bR.f
astrochron/src/dupmean_v2_R.f
astrochron/src/singleton_v2.f
astrochron/src/dlasrtastro_v2.f
astrochron/src/init_random_seed.f95
astrochron/src/EHA_Rv6d.f
astrochron/src/pad_v2.f
astrochron/src/peakfilter_R.f
astrochron/NAMESPACE
astrochron/data
astrochron/data/modelA.rda
astrochron/R
astrochron/R/FUNCTION-rankSeries_v3.R astrochron/R/FUNCTION-hannTaper_v4.R astrochron/R/FUNCTION-writeCSV_v3.R astrochron/R/FUNCTION-ar1etp_v9.R astrochron/R/FUNCTION-detrend_v3.R astrochron/R/FUNCTION-clipIt_v2.R astrochron/R/FUNCTION-autoPlot_v8.R astrochron/R/FUNCTION-extract_v5.R astrochron/R/FUNCTION-cosTaper_v10.R astrochron/R/FUNCTION-idPts_v10.R astrochron/R/FUNCTION-logT_v6.R astrochron/R/FUNCTION-arcsinT_v6.R astrochron/R/FUNCTION-surrogates_v2.R astrochron/R/FUNCTION-etp_v7.R astrochron/R/FUNCTION-resample_v5.R astrochron/R/FUNCTION-freq2sedrate_v2.R astrochron/R/FUNCTION-mtmML96_v13.R astrochron/R/FUNCTION-plS.R astrochron/R/FUNCTION-prewhiteAR_v6.R astrochron/R/FUNCTION-eAsmTrack_v2.R astrochron/R/astrochron_pkg.R astrochron/R/FUNCTION-tune_v7a.R astrochron/R/FUNCTION-getLaskar_v2.R astrochron/R/FUNCTION-s_v2.R astrochron/R/FUNCTION-bergerPeriods_v3.R astrochron/R/FUNCTION-ar1_v8.R astrochron/R/FUNCTION-getColor.R astrochron/R/FUNCTION-anchorTime_v2.R astrochron/R/FUNCTION-noLow_v5.R astrochron/R/FUNCTION-pad_v3.R astrochron/R/FUNCTION-cb_v3.R astrochron/R/FUNCTION-taner_v7.R astrochron/R/FUNCTION-cycles_v5.R astrochron/R/FUNCTION-timeOptSim_v7b.R astrochron/R/FUNCTION-noKernel_v3.R astrochron/R/FUNCTION-tones.R astrochron/R/FUNCTION-writeT_v3.R astrochron/R/FUNCTION-timeOpt_v7c.R astrochron/R/FUNCTION-lowpass_v11.R astrochron/R/FUNCTION-delPts_v6.R astrochron/R/FUNCTION-rmNA_v2.R astrochron/R/FUNCTION-constantSedrate_v3.R astrochron/R/FUNCTION-strats_v13.R astrochron/R/FUNCTION-lowspec_v19.R astrochron/R/FUNCTION-pl_v6.R astrochron/R/FUNCTION-gausTaper_v9.R astrochron/R/FUNCTION-repl0_v4.R astrochron/R/FUNCTION-iso_v10.R astrochron/R/FUNCTION-eAsm_v3.R astrochron/R/FUNCTION-sedRamp_v3.R astrochron/R/FUNCTION-flip.R astrochron/R/FUNCTION-read_v27.R astrochron/R/FUNCTION-zoomIn_v2.R astrochron/R/FUNCTION-armaGen_v5.R astrochron/R/FUNCTION-mtmAR_v7.R astrochron/R/FUNCTION-linage_v2.R astrochron/R/FUNCTION-plotEha_v3.R astrochron/R/FUNCTION-testPrecession_v3.R astrochron/R/FUNCTION-dpssTaper_v4.R astrochron/R/FUNCTION-integratePower_v8.R astrochron/R/FUNCTION-headn_v3.R astrochron/R/FUNCTION-sortNave_v7.R astrochron/R/FUNCTION-bandpass_v14.R astrochron/R/FUNCTION-replEps_v5.R astrochron/R/FUNCTION-sedrate2time_v2.R astrochron/R/FUNCTION-wtMean_v12.R astrochron/R/FUNCTION-demean_v3.R astrochron/R/FUNCTION-traceFreq_v5.R astrochron/R/FUNCTION-stepHeat_v4.R astrochron/R/FUNCTION-prewhiteAR1_v5.R astrochron/R/FUNCTION-periodogram_v13.R astrochron/R/FUNCTION-trim_v5.R astrochron/R/FUNCTION-surrogateCor_v6e.R astrochron/R/FUNCTION-trimAT_v4.R astrochron/R/FUNCTION-mtm_v17.R astrochron/R/FUNCTION-trough_v2.R astrochron/R/FUNCTION-eha_v19.R astrochron/R/FUNCTION-linterp_v9.R astrochron/R/FUNCTION-readMatrix_v6.R astrochron/R/FUNCTION-xplot_v4.R astrochron/R/FUNCTION-divTrend_v4.R astrochron/R/FUNCTION-asm_v10a.R astrochron/R/FUNCTION-getData.R astrochron/R/FUNCTION-peak_v6.R astrochron/R/FUNCTION-hilbert_v15.R astrochron/R/FUNCTION-trackFreq_v8.R
astrochron/MD5
astrochron/DESCRIPTION
astrochron/man
astrochron/man/repl0.Rd astrochron/man/plotEha.Rd astrochron/man/trimAT.Rd astrochron/man/asm.Rd astrochron/man/clipIt.Rd astrochron/man/ar1.Rd astrochron/man/delPts.Rd astrochron/man/tune.Rd astrochron/man/strats.Rd astrochron/man/xplot.Rd astrochron/man/sortNave.Rd astrochron/man/surrogateCor.Rd astrochron/man/modelA.Rd astrochron/man/timeOpt.Rd astrochron/man/traceFreq.Rd astrochron/man/logT.Rd astrochron/man/lowspec.Rd astrochron/man/arcsinT.Rd astrochron/man/timeOptSim.Rd astrochron/man/cb.Rd astrochron/man/eAsmTrack.Rd astrochron/man/getLaskar.Rd astrochron/man/pad.Rd astrochron/man/demean.Rd astrochron/man/stepHeat.Rd astrochron/man/plS.Rd astrochron/man/dpssTaper.Rd astrochron/man/anchorTime.Rd astrochron/man/ar1etp.Rd astrochron/man/mtm.Rd astrochron/man/mtmML96.Rd astrochron/man/cycles.Rd astrochron/man/etp.Rd astrochron/man/readMatrix.Rd astrochron/man/surrogates.Rd astrochron/man/armaGen.Rd astrochron/man/replEps.Rd astrochron/man/hannTaper.Rd astrochron/man/lowpass.Rd astrochron/man/autoPlot.Rd astrochron/man/testPrecession.Rd astrochron/man/pl.Rd astrochron/man/divTrend.Rd astrochron/man/rankSeries.Rd astrochron/man/resample.Rd astrochron/man/sedrate2time.Rd astrochron/man/integratePower.Rd astrochron/man/writeT.Rd astrochron/man/sedRamp.Rd astrochron/man/detrend.Rd astrochron/man/gausTaper.Rd astrochron/man/headn.Rd astrochron/man/taner.Rd astrochron/man/idPts.Rd astrochron/man/trough.Rd astrochron/man/cosTaper.Rd astrochron/man/eha.Rd astrochron/man/wtMean.Rd astrochron/man/writeCSV.Rd astrochron/man/periodogram.Rd astrochron/man/astrochron-package.Rd astrochron/man/prewhiteAR1.Rd astrochron/man/iso.Rd astrochron/man/prewhiteAR.Rd astrochron/man/bergerPeriods.Rd astrochron/man/rmNA.Rd astrochron/man/trim.Rd astrochron/man/noLow.Rd astrochron/man/read.Rd astrochron/man/freq2sedrate.Rd astrochron/man/noKernel.Rd astrochron/man/getColor.Rd astrochron/man/tones.Rd astrochron/man/s.Rd astrochron/man/mtmAR.Rd astrochron/man/zoomIn.Rd astrochron/man/trackFreq.Rd astrochron/man/peak.Rd astrochron/man/flip.Rd astrochron/man/bandpass.Rd astrochron/man/hilbert.Rd astrochron/man/getData.Rd astrochron/man/extract.Rd astrochron/man/linage.Rd astrochron/man/linterp.Rd astrochron/man/constantSedrate.Rd astrochron/man/eAsm.Rd

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