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S4 classes and methods to deal with fuzzy numbers. They allow for computing any arithmetic operations (e.g., by using the Zadeh extension principle), performing approximation of arbitrary fuzzy numbers by trapezoidal and piecewise linear ones, preparing plots for publications, computing possibility and necessity values for comparisons, etc.
Package details 


Author  Marek Gagolewski [aut, cre], Jan Caha [ctb] 
Maintainer  Marek Gagolewski <[email protected]> 
License  LGPL (>= 3) 
Version  0.45 
URL  http://FuzzyNumbers.rexamine.com 
Package repository  View on CRAN 
Installation 
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