To cite package ‘SPIChanges’ in publications use:

Blain G, Sobierajski G, Martins L, Sparks A (2025). SPIChanges: Improves the Interpretation of the Standardized Precipitation Index Under Changing Climate Conditions. R package version 0.2.1, https://github.com/gabrielblain/spichanges.

Corresponding BibTeX entry:

  @Manual{,
    title = {SPIChanges: Improves the Interpretation of the
      Standardized Precipitation Index Under Changing Climate
      Conditions},
    author = {Gabriel Constantino Blain and Graciela R. Sobierajski and
      Leticia L. Martins and Adam H. Sparks},
    year = {2025},
    note = {R package version 0.2.1},
    url = {https://github.com/gabrielblain/spichanges},
  }