Research Article
Estimation of Food Security Risk Level Using Z-Number-Based Fuzzy System
Figure 5
The plots of food security risk level: (a) Z-number-based fuzzy system for the years 1961–2013, (b) comparisons of simulation results of the conventional type-1 fuzzy system (dashed line), and Z-number-based fuzzy system (solid line) for the years 1980–2000.
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