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Software for Detecting climate teleconnections with Granger causality

This repository holds a collection of python notebooks that can be used to replicate the findings of the paper Detecting climate teleconnections with Granger causality.

Publication

Filipi N Silva, , Didier A. Vega-Oliveros, Xiaoran Yan, Alessandro Flammini, Filippo Menczer, Filippo Radicchi, Ben Kravitz, and Santo Fortunato. "Detecting climate teleconnections with Granger causality." arXiv:2012.03848 [physics.ao-ph] (2020). http://arxiv.org/abs/2012.03848

Authors

  • Filipi N. Silva
  • Didier A. Vega-Oliveros
  • Xiaoran Yan
  • Alessandro Flammini
  • Filippo Menczer
  • Filippo Radicchi
  • Ben Kravitz
  • Santo Fortunato

How to use

  • First download the preprocessed data from zenodo and save it in Data Folder.
  • Use the CalculateMetrics notebook to calculate lagged correlation and Granger Causality.
  • Use the ValidateMetrics notebook to evaluate the metrics according to the El Ninõ and La Niña ground truths.
  • Use the DrawMaps notebook to construct a figure with the data.
  • You can load your own data by loading and converting it in the ParseData notebook.

Data

The Data folder contains example output data used in the article for Granger Causality (Causality_d7_l<maxLag>_v3.csv) and Lagged Correlation (Causality_d30_l<maxLag>_v3.csv). The preprocessed data is avaiable on zenodo: https://dx.doi.org/10.5281/zenodo.4270623

Dependencies

Conda environment is recommended to run the current code. We provide an environment in environment.yml. First, install conda or miniconda from https://docs.conda.io/en/latest/miniconda.html then run

conda env create -f environment.yml

TODO

  • Make it modular and release it as a pyPI package.

Citing this work or software

If you use the processed data or any of the scripts in a publication, please cite the respective works listed here.

Filipi N Silva, , Didier A. Vega-Oliveros, Xiaoran Yan, Alessandro Flammini, Filippo Menczer, Filippo Radicchi, Ben Kravitz, and Santo Fortunato. "Detecting climate teleconnections with Granger causality." arXiv:2012.03848 [physics.ao-ph] (2020). http://arxiv.org/abs/2012.03848