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#Code automatically generated with fuzzylite 6.0.
library(ggplot2);
engine.name = "tipper"
engine.description = "(service and food) -> (tip)"
engine.fll = "Engine: tipper
description: (service and food) -> (tip)
InputVariable: service
description: quality of service
enabled: true
range: 0.000 10.000
lock-range: true
term: poor Trapezoid 0.000 0.000 2.500 5.000
term: good Triangle 2.500 5.000 7.500
term: excellent Trapezoid 5.000 7.500 10.000 10.000
InputVariable: food
description: quality of food
enabled: true
range: 0.000 10.000
lock-range: true
term: rancid Trapezoid 0.000 0.000 2.500 7.500
term: delicious Trapezoid 2.500 7.500 10.000 10.000
OutputVariable: mTip
description: tip based on Mamdani inference
enabled: true
range: 0.000 30.000
lock-range: false
aggregation: Maximum
defuzzifier: Centroid 100
default: nan
lock-previous: false
term: cheap Triangle 0.000 5.000 10.000
term: average Triangle 10.000 15.000 20.000
term: generous Triangle 20.000 25.000 30.000
OutputVariable: tsTip
description: tip based on Takagi-Sugeno inference
enabled: true
range: 0.000 30.000
lock-range: false
aggregation: none
defuzzifier: WeightedAverage TakagiSugeno
default: nan
lock-previous: false
term: cheap Constant 5.000
term: average Constant 15.000
term: generous Constant 25.000
RuleBlock: mamdani
description: Mamdani inference
enabled: true
conjunction: AlgebraicProduct
disjunction: AlgebraicSum
implication: Minimum
activation: General
rule: if service is poor or food is rancid then mTip is cheap
rule: if service is good then mTip is average
rule: if service is excellent or food is delicious then mTip is generous with 0.5
rule: if service is excellent and food is delicious then mTip is generous with 1.0
RuleBlock: takagiSugeno
description: Takagi-Sugeno inference
enabled: true
conjunction: AlgebraicProduct
disjunction: AlgebraicSum
implication: none
activation: General
rule: if service is poor or food is rancid then tsTip is cheap
rule: if service is good then tsTip is average
rule: if service is excellent or food is delicious then tsTip is generous with 0.5
rule: if service is excellent and food is delicious then tsTip is generous with 1.0"
engine.fldFile = "tipper.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(service, food)) +
geom_tile(aes(fill=mTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=service, y=food, z=mTip), color="black") +
ggtitle("(service, food) = mTip")
engine.plot.i2i1_o1 = ggplot(engine.df, aes(food, service)) +
geom_tile(aes(fill=mTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=food, y=service, z=mTip), color="black") +
ggtitle("(food, service) = mTip")
engine.plot.i1i2_o2 = ggplot(engine.df, aes(service, food)) +
geom_tile(aes(fill=tsTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=service, y=food, z=tsTip), color="black") +
ggtitle("(service, food) = tsTip")
engine.plot.i2i1_o2 = ggplot(engine.df, aes(food, service)) +
geom_tile(aes(fill=tsTip)) +
scale_fill_gradient(low="yellow", high="red") +
stat_contour(aes(x=food, y=service, z=tsTip), color="black") +
ggtitle("(food, service) = tsTip")
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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