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https://github.com/alexlipp/detrital-wasserstein

Calculate 2nd Wasserstein distance between two example mineral age distributions.

https://github.com/alexlipp/detrital-wasserstein

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Calculate 2nd Wasserstein distance between two example mineral age distributions.

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  • Host: GitHub
  • Owner: AlexLipp
  • Language: R
  • Default Branch: main
  • Size: 6.84 KB
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Created over 3 years ago · Last pushed about 3 years ago

https://github.com/AlexLipp/detrital-wasserstein/blob/main/ 

# Calculate Wasserstein distance between two mineral age distributions. 

Code to accompany the _Geochronology_ manuscript, [Lipp & Vermeesch (2023)](https://egusphere.copernicus.org/preprints/2022/egusphere-2022-1200/).
 
Scripts provided in `R` and `python` to calculate the 2nd Wasserstein distance, $W_2$, between the Byskealven and Vefsna age distributions from [Morton et al. 2008](https://doi.org/10.1016/j.sedgeo.2008.07.001) (see Figure 1 in manuscript.) It makes use of the [`POT`](https://pythonot.github.io/) and [`transport`](https://cran.r-project.org/web/packages/transport/index.html) packages. The scripts can be run from command line using `python W2.py` or `Rscript W2.R` and should return: `W2 = 490.0071914467088` 

The file `wobus.csv` contains the Ar-Ar ages from [Wobus et al. 2003](https://pubs.geoscienceworld.org/gsa/geology/article-abstract/31/10/861/29139/has-focused-denudation-sustained-active-thrusting), used in the `IsoplotR` example in the manuscript.

Owner

  • Name: Alex Lipp
  • Login: AlexLipp
  • Kind: user
  • Location: Oxford, UK
  • Company: Merton College, Oxford

Earth & Environmental Scientist at the University of Oxford

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