This paper proposes a new method for directly discovering the uncertainty from a sample of discrete data, which is then used in the formation of an Interval Type-2 Fuzzy Inference System. A Coefficient of Variation is used to measure the uncertainty on a finite sample of discrete data. Based on the maximum possible coverage area of the Footprint of Uncertainty of Gaussian membership functions, with uncertainty on the standard deviation, which then are modified according to the found index values, obtaining all antecedents in the process. Afterwards, the Cuckoo Search algorithm is used to optimize the Interval Sugeno consequents of the Fuzzy Inference System. Some sample datasets are used to measure the output interval coverage.
CITATION STYLE
Sanchez, M. A., Castillo, O., & Castro, J. R. (2015). Method for measurement of uncertainty applied to the formation of interval type-2 fuzzy sets. Studies in Computational Intelligence, 601, 13–25. https://doi.org/10.1007/978-3-319-17747-2_2
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