1 files changed, 67 insertions, 0 deletions
diff --git a/examples/mamdani/octave/investment_portfolio.R b/examples/mamdani/octave/investment_portfolio.R
new file mode 100644
index 0000000..c752dab
--- /dev/null
+++ b/examples/mamdani/octave/investment_portfolio.R
@@ -0,0 +1,67 @@
+#Code automatically generated with fuzzylite 6.0.
+
+library(ggplot2);
+
+engine.name = "investment_portfolio"
+engine.fll = "Engine: investment_portfolio
+InputVariable: Age
+  enabled: true
+  range: 20.000 100.000
+  lock-range: false
+  term: Young ZShape 30.000 90.000
+  term: Old SShape 30.000 90.000
+InputVariable: RiskTolerance
+  enabled: true
+  range: 0.000 10.000
+  lock-range: false
+  term: Low ZShape 2.000 8.000
+  term: High SShape 2.000 8.000
+OutputVariable: PercentageInStocks
+  enabled: true
+  range: 0.000 100.000
+  lock-range: false
+  aggregation: EinsteinSum
+  defuzzifier: Centroid 200
+  default: nan
+  lock-previous: false
+  term: AboutFifteen Gaussian 15.000 10.000
+  term: AboutFifty Gaussian 50.000 10.000
+  term: AboutEightyFive Gaussian 85.000 10.000
+RuleBlock: 
+  enabled: true
+  conjunction: EinsteinProduct
+  disjunction: EinsteinSum
+  implication: EinsteinProduct
+  activation: General
+  rule: if Age is Young or RiskTolerance is High then PercentageInStocks is AboutEightyFive
+  rule: if Age is Old or RiskTolerance is Low then PercentageInStocks is AboutFifteen
+  rule: if Age is not extremely Old and RiskTolerance is not extremely Low then PercentageInStocks is AboutFifty with 0.500
+  rule: if Age is not extremely Young and RiskTolerance is not extremely High then PercentageInStocks is AboutFifty with 0.500"
+
+engine.fldFile = "investment_portfolio.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(Age, RiskTolerance)) + 
+    geom_tile(aes(fill=PercentageInStocks)) + 
+    scale_fill_gradient(low="yellow", high="red") + 
+    stat_contour(aes(x=Age, y=RiskTolerance, z=PercentageInStocks), color="black") + 
+    ggtitle("(Age, RiskTolerance) = PercentageInStocks")
+
+engine.plot.i2i1_o1 = ggplot(engine.df, aes(RiskTolerance, Age)) + 
+    geom_tile(aes(fill=PercentageInStocks)) + 
+    scale_fill_gradient(low="yellow", high="red") + 
+    stat_contour(aes(x=RiskTolerance, y=Age, z=PercentageInStocks), color="black") + 
+    ggtitle("(RiskTolerance, Age) = PercentageInStocks")
+
+if (require(gridExtra)) {
+    engine.plots = arrangeGrob(engine.plot.i1i2_o1, engine.plot.i2i1_o1, ncol=2, top=engine.name)
+    ggsave(paste0(engine.name, ".pdf"), engine.plots)
+    if (require(grid)) {
+        grid.newpage()
+        grid.draw(engine.plots)
+    }
+}