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# Luminescence <img width=120px src="man/figures/Luminescence_logo.png" align="right" />

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The R package `'Luminescence'` by the R-Luminescence Group provides a
collection of various R functions for luminescence dating data analysis.

## Social media and other resources

Visit our [R-Luminescence homepage](https://r-luminescence.org). News
and updates on `'Luminescence'` are also available from the [REPLAY
website](https://replay.geog.uni-heidelberg.de/).

## Installation

#### i. Requirements

- *Windows (32/64bit)*:
  [Rtools](https://cran.r-project.org/bin/windows/Rtools/) (provided by
  CRAN)
- *macOS*: [Xcode](https://developer.apple.com/) (provided by Apple)
- *Linux*: [gcc](https://gcc.gnu.org) often comes pre-installed in most
  distributions.

#### ii. Install the package

Install any development versions using our [RStudio](https://posit.co)
add-in

![](man/figures/README-Screenshot_AddIn.png)

Alternatively, to install the latest development builds directly from
GitHub, run:

``` r
if (!require("pak"))
  install.packages("pak")
pak::pkg_install("R-Lum/Luminescence")
```

Please note that the version on the GitHub `master` branch is a
development version and may change day by day. To install the stable
version from CRAN, simply run the following from an R console:

``` r
install.packages("Luminescence")
```

For stable branches please visit the [Luminescence package page on
CRAN](https://CRAN.R-project.org/package=Luminescence).

## Contribute

The R-Luminescence project is based on and evolves from ideas,
contributions and constructive criticism of its users. Help us maintain
and improve the package by reporting bugs, requesting features,
suggesting design improvements or contributing new functions.

Open an [issue](https://github.com/R-Lum/Luminescence/issues) or write
us an [e-mail](mailto:developers@r-luminescence.org) if anything crosses
your mind or if you want your new self-written function to be to
included in the package.

You are kindly invited to bring forward the package with us!

## License

This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or any later
version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the [GNU
General Public
License](https://github.com/R-Lum/Luminescence/blob/master/LICENSE) for
more details.

## Funding

- 2011-2013: The initial version of the package was developed in the
  framework of the PhD thesis by Sebastian Kreutzer, while he was funded
  through the DFG programme “Rekonstruktion der Umweltbedingungen des
  Spätpleistozäns in Mittelsachsen anhand von Löss-Paläobodensequenzen”
  ([GEPRIS id: 46526743](https://gepris.dfg.de/project/46526743))

- 2014-2018: Cooperation and personal exchange between the developers is
  gratefully funded by the DFG in the framework of the program
  “Scientific Networks”. Project title: “RLum.Network: Ein
  Wissenschaftsnetzwerk zur Analyse von Lumineszenzdaten mit R” ([GEPRIS
  id: 250974974](https://gepris.dfg.de/project/250974974))

- 05/2014-12/2019: The work of Sebastian Kreutzer as maintainer of the
  package was supported by LabEx LaScArBx (ANR - n. ANR-10-LABX-52).

- 01/2020-04/2022: Sebastian Kreutzer as maintainer of the package has
  received funding from the European Union’s Horizon 2020 research and
  innovation programme under the Marie Skłodowska-Curie grant agreement
  [No 844457 (CREDit)](https://cordis.europa.eu/project/id/844457), and
  could continue maintaining the package.

- since 03/2023: Sebastian Kreutzer as maintainer of the package
  receives funding from the DFG Heisenberg programme [No
  505822867](https://gepris.dfg.de/project/505822867).

- since 08/2024 the future and sustainable development of
  `'Luminescence'` towards better reproducibility and usability is
  supported through the DFG programme “REPLAY: REProducible Luminescence
  Data AnalYses” [No 528704761](https://gepris.dfg.de/project/528704761)
  led by Dr Sebastian Kreutzer (PI at Heidelberg University, DE (until
  2025), LIAG - Institute for Applied Geophysics, Hannover, DE (from
  2026)) and Dr Thomas Kolb (PI at Justus-Liebig-University Giessen,
  DE).

- All other authors gratefully received additional funding from various
  public funding bodies.

## Related projects

- [RLumModel](https://github.com/R-Lum/RLumModel)
- [RLumShiny](https://github.com/R-Lum/RLumShiny)
- [BayLum](https://github.com/crp2a/BayLum)
- [RCarb](https://github.com/R-Lum/RCarb)
- [RLumCarlo](https://github.com/R-Lum/RLumCarlo)
