A FisPro package for the R software (version >= 3.6) is available on the CRAN repository:
https://cran.r-project.org/package=FisPro
This package provides functions to manage a ‘Fuzzy Inference System’
See the documentation of the package https://cran.r-project.org/web/packages/FisPro/FisPro.pdf
and the vignette FisPro User Guide
By installing FisPro you accept the CeCILL free software license agreement