Huisman–Olff–Fresco models (HOF models) are a hierarchical set of 5 models with increasing complexity, designated for fitting unimodal species response curves[1] on environmental gradient.[2]

A implementation of the model including extension for bimodal distributions exists as an R module downloadable from CRAN.[3][4]

References

  1. Steven M. Holland. "SPECIES RESPONSE CURVES" (PDF). Department of Geology, University of Georgia, Athens, GA.
  2. Huisman, J.; Olff, H.; Fresco, L.F.M. (1993). "A hierarchical set of models for species response analysis" (PDF). Journal of Vegetation Science. Wiley. 4 (1): 37–46. doi:10.2307/3235732. ISSN 1100-9233.
  3. Jansen, Florian; Oksanen, Jari (2013-02-07). Podani, János (ed.). "How to model species responses along ecological gradients - Huisman-Olff-Fresco models revisited". Journal of Vegetation Science. Wiley. 24 (6): 1108–1117. doi:10.1111/jvs.12050. ISSN 1100-9233.
  4. "eHOF: Extended HOF (Huisman-Olff-Fresco) Models". CRAN. 2020-05-22. Retrieved 2021-04-30.
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