[R] Regarding NaN output in "sets" package

MSP Stat msprstat at gmail.com
Fri Aug 28 11:33:15 CEST 2009

I have built a program for fuzzy inference using the "sets" package.
Though there are no errors after defuzzifying using gset_defuzzify()
command, the output after using the "centroid" option is a "NaN".
What may be going wrong here?

P.S: There are just 10 dependent factors and just five rules. All the
membership function are Gaussian.

Any help is appreciated.

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