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| astrochron-package | astrochron: A Computational Tool for Astrochronology |
| 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 | astrochron: A Computational Tool for Astrochronology |
| autoPlot | Automatically plot multiple stratigraphic series, with smoothing if desired |
| 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 spatial series to temporal series |
| 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 results |
| 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 sedimentation rate curve |
| 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 solutions |
| 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 graphical interface |
| 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 Estimation |
| 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 threshold value |
| periodogram | Simple Periodogram |
| pl | Set Up Plots |
| plotEha | Create color time-frequency plots from eha results |
| plS | Set default plotting parameters for vertical stratigraphic plots |
| prewhiteAR | Prewhiten Stratigraphic Series with Autoregressive Filter, Order Selected by Akaike Information Criterion |
| prewhiteAR1 | Prewhiten Stratigraphic Series with AR1 filter, using 'Standard' or Unbiased Estimate of rho |
| 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 |
| s | Standardize variable in Stratigraphic Series |
| sedRamp | Apply 'ramping' sedimentation rate model to convert time to stratigraphy |
| 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 calculate step-heating plateau age. |
| strats | Summary Statistics for Stratigraphic Series |
| surrogates | Generate phase-randomized surrogate series as in Ebisuzaki (1997) |
| taner | Apply Taner Bandpass or Lowpass Filter to Stratigraphic Series |
| testPrecession | Astrochronologic testing via the amplitude modulation approach of Zeeden et al. (2015). |
| timeOpt | TimeOpt: Evaluation of eccentricity-related amplitude modulation and bundling in paleoclimate data |
| timeOptSim | Monte Carlo Simulation for TimeOpt |
| tones | Calculate all possible difference and combinations tones |
| traceFreq | Frequency-domain minimal tuning: Use interactive graphical interface to trace frequency drift |
| trackFreq | Frequency-domain minimal tuning: Use interactive graphical interface and sorting to track frequency drift |
| trim | Remove Outliers from Stratigraphic Series |
| trimAT | Remove Outliers from Stratigraphic Series |
| trough | Identify minima of troughs in series, filter at desired threshold value |
| tune | Tune Stratigraphic Series |
| writeCSV | Write CSV File |
| writeT | Write Tab-delimited File |
| wtMean | Ar/Ar Geochronology: calculate weighted mean age, age uncertainty, and other associated statistics/plots (with interactive graphics for data culling). |
| xplot | Generate Cross-plot with Density Estimates on Axes |
| zoomIn | Dynamically explore cross-plot, zoom-in into specified region |