Fuzzy system for credit-risk evaluation developed bmw

320 KNOWLEDGE ENGINEERING AND DATA MINING

Figure 9.13 Fuzzy sets of the linguistic variable Interest

Complex relationships between all variables used in the fuzzy system can be represented best by the hierarchical structure shown in Figure 9.16.

To build our system we use the MATLAB Fuzzy Logic Toolbox, one of the most popular fuzzy tools currently on the market.

Figure 9.15 Rules for mortgage loan assessment