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#Code automatically generated with fuzzylite 6.0.
library(ggplot2);
engine.name = "mamdani_tip_calculator"
engine.fll = "Engine: mamdani_tip_calculator
InputVariable: FoodQuality
enabled: true
range: 1.000 10.000
lock-range: false
term: Bad Trapezoid 0.000 1.000 3.000 7.000
term: Good Trapezoid 3.000 7.000 10.000 11.000
InputVariable: Service
enabled: true
range: 1.000 10.000
lock-range: false
term: Bad Trapezoid 0.000 1.000 3.000 7.000
term: Good Trapezoid 3.000 7.000 10.000 11.000
OutputVariable: Tip
enabled: true
range: 0.000 30.000
lock-range: false
aggregation: AlgebraicSum
defuzzifier: Centroid 200
default: nan
lock-previous: false
term: AboutTenPercent Gaussian 10.000 2.000
term: AboutFifteenPercent Gaussian 15.000 2.000
term: AboutTwentyPercent Gaussian 20.000 2.000
OutputVariable: CheckPlusTip
enabled: true
range: 1.000 1.300
lock-range: false
aggregation: AlgebraicSum
defuzzifier: Centroid 200
default: nan
lock-previous: false
term: PlusAboutTenPercent Gaussian 1.100 0.020
term: PlusAboutFifteenPercent Gaussian 1.150 0.020
term: PlusAboutTwentyPercent Gaussian 1.200 0.020
RuleBlock:
enabled: true
conjunction: AlgebraicProduct
disjunction: Maximum
implication: Minimum
activation: General
rule: if FoodQuality is Bad and Service is Bad then Tip is AboutTenPercent and CheckPlusTip is PlusAboutTenPercent
rule: if FoodQuality is Bad and Service is Good then Tip is AboutFifteenPercent and CheckPlusTip is PlusAboutFifteenPercent
rule: if FoodQuality is Good and Service is Bad then Tip is AboutFifteenPercent and CheckPlusTip is PlusAboutFifteenPercent
rule: if FoodQuality is Good and Service is Good then Tip is AboutTwentyPercent and CheckPlusTip is PlusAboutTwentyPercent"
engine.fldFile = "mamdani_tip_calculator.fld"
if (require(data.table)) {
engine.df = data.table::fread(engine.fldFile, sep="auto", header="auto")
} else {
engine.df = read.table(engine.fldFile, header=TRUE)
}
engine.plot.i1i2_o1 = ggplot(engine.df, aes(FoodQuality, Service)) +
geom_tile(aes(fill=Tip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=FoodQuality, y=Service, z=Tip), color="black") +
ggtitle("(FoodQuality, Service) = Tip")
engine.plot.i2i1_o1 = ggplot(engine.df, aes(Service, FoodQuality)) +
geom_tile(aes(fill=Tip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=Service, y=FoodQuality, z=Tip), color="black") +
ggtitle("(Service, FoodQuality) = Tip")
engine.plot.i1i2_o2 = ggplot(engine.df, aes(FoodQuality, Service)) +
geom_tile(aes(fill=CheckPlusTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=FoodQuality, y=Service, z=CheckPlusTip), color="black") +
ggtitle("(FoodQuality, Service) = CheckPlusTip")
engine.plot.i2i1_o2 = ggplot(engine.df, aes(Service, FoodQuality)) +
geom_tile(aes(fill=CheckPlusTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=Service, y=FoodQuality, z=CheckPlusTip), color="black") +
ggtitle("(Service, FoodQuality) = CheckPlusTip")
if (require(gridExtra)) {
engine.plots = arrangeGrob(engine.plot.i1i2_o1, engine.plot.i2i1_o1, engine.plot.i1i2_o2, engine.plot.i2i1_o2, ncol=2, top=engine.name)
ggsave(paste0(engine.name, ".pdf"), engine.plots)
if (require(grid)) {
grid.newpage()
grid.draw(engine.plots)
}
}
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