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earlywarnings-R

This repository contains the development version of the Early Warning Signals for Critical Transitions CRAN R package. For installation and usage examples, see the vignette. The main authors are Vasilis Dakos and Leo Lahti.

The Early-Warning-Signals Toolbox provides methods for estimating statistical changes in timeseries that can be used for identifying nearby critical transitions. The project is based on Dakos and others (2012) Methods for Detecting Early Warnings of Critical Transitions in Time Series Illustrated Using Simulated Ecological Data. PLOS ONE 7(7):e41010 with contributions from S.R. Carpenter, T. Cline.

  • Dakos V, Carpenter SR, Brock WA, Ellison AM, Guttal V, et al. (2012) Methods for Detecting Early Warnings of Critical Transitions in Time Series Illustrated Using Simulated Ecological Data. PLoS ONE 7(7): e41010. doi:10.1371/journal.pone.0041010

  • The potential analysis functions are based on Lahti et al. Tipping elements in the human intestinal ecosystem. Nature Communications 5:4344, 2014. doi:10.1038/ncomms5344

For more information, see http://www.early-warning-signals.org/

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Version

Install

install.packages('earlywarnings')

Monthly Downloads

319

Version

1.1.29

License

BSD_2_clause + file LICENSE

Maintainer

Vasilis Dakos

Last Published

October 10th, 2022

Functions in earlywarnings (1.1.29)

qda_ews

Quick Detection Analysis for Generic Early Warning Signals
movpotential_ews

Moving Average Potential
surrogates_ews

Surrogates Early Warning Signals
livpotential_ews

Potential Analysis for univariate data
sensitivity_ews

Sensitivity Early Warning Signals
ddjnonparam_ews

Drift Diffusion Jump Nonparametrics Early Warning Signals
PlotPotential

Plot Potential
UnivariateGrouping

Get group assigment indices for univariate data points, given cluster break points
ch_ews

Conditional Heteroskedasticity
find.optima

find.optima
foldbif

foldbif data set
bdstest_ews

BDS test Early Warning Signals
generic_ews

Generic Early Warning Signals
circulation

circulation data set
YD2PB_grayscale

YD2PB_grayscale data set