// build and run model
func main() {
// get options
var maxSize, maxDepth int
var trailFile string
flag.IntVar(&maxSize, "size", 0, "maximum tree size - zero for none")
flag.IntVar(&maxDepth, "depth", 0, "maximum tree depth - zero for none")
flag.StringVar(&trailFile, "trail", "santafe_trail.txt", "trail definition file")
opts := util.DefaultOptions
util.ParseFlags(&opts)
// create primitive set
config := readTrail(trailFile)
pset := gp.CreatePrimSet(0)
pset.Add(progN{&gp.BaseFunc{"prog2", 2}})
pset.Add(progN{&gp.BaseFunc{"prog3", 3}})
pset.Add(ifFood{&gp.BaseFunc{"if_food", 2}})
pset.Add(Terminal("left", turn(-1)))
pset.Add(Terminal("right", turn(1)))
pset.Add(Terminal("step", step))
// setup model
problem := &gp.Model{
PrimitiveSet: pset,
Generator: gp.GenFull(pset, 1, 2),
PopSize: opts.PopSize,
Fitness: fitnessFunc(config),
Offspring: gp.Tournament(opts.TournSize),
Mutate: gp.MutUniform(gp.GenFull(pset, 0, 2)),
MutateProb: opts.MutateProb,
Crossover: gp.CxOnePoint(),
CrossoverProb: opts.CrossoverProb,
Threads: opts.Threads,
}
if maxDepth > 0 {
problem.AddDecorator(gp.DepthLimit(maxDepth))
}
if maxSize > 0 {
problem.AddDecorator(gp.SizeLimit(maxSize))
}
problem.PrintParams("== Artificial ant ==")
logger := stats.NewLogger(opts.MaxGen, opts.TargetFitness)
if opts.Verbose {
logger.OnDone = func(best *gp.Individual) {
ant := run(config, best.Code)
fmt.Println(ant.grid)
}
}
// run
if opts.Plot {
logger.RegisterSVGPlot("best", createPlot(config, 500, 10))
stats.MainLoop(problem, logger, ":8080", "../web")
} else {
fmt.Println()
logger.PrintStats = true
logger.PrintBest = opts.Verbose
problem.Run(logger)
}
}
// main GP routine
func main() {
// get options
var maxSize, maxDepth int
var dataFile string
flag.IntVar(&maxSize, "size", 0, "maximum tree size - zero for none")
flag.IntVar(&maxDepth, "depth", 0, "maximum tree depth - zero for none")
flag.StringVar(&dataFile, "trainset", "poly.dat", "file with training function")
opts := util.DefaultOptions
util.ParseFlags(&opts)
// create primitive set
ercMin, ercMax, trainSet := getData(dataFile)
pset := gp.CreatePrimSet(1, "x")
pset.Add(num.Add, num.Sub, num.Mul, num.Div)
pset.Add(num.Ephemeral("ERC", ercGen(ercMin, ercMax)))
// setup model
problem := &gp.Model{
PrimitiveSet: pset,
Generator: gp.GenRamped(pset, 1, 3),
PopSize: opts.PopSize,
Fitness: fitnessFunc(trainSet),
Offspring: gp.Tournament(opts.TournSize),
Mutate: gp.MutUniform(gp.GenGrow(pset, 0, 2)),
MutateProb: opts.MutateProb,
Crossover: gp.CxOnePoint(),
CrossoverProb: opts.CrossoverProb,
Threads: opts.Threads,
}
if maxDepth > 0 {
problem.AddDecorator(gp.DepthLimit(maxDepth))
}
if maxSize > 0 {
problem.AddDecorator(gp.SizeLimit(maxSize))
}
problem.PrintParams("== GP Symbolic Regression for ", dataFile, "==")
// run
logger := stats.NewLogger(opts.MaxGen, opts.TargetFitness)
if opts.Plot {
gp.GraphDPI = "60"
logger.RegisterPlot("graph", plotTarget(trainSet), plotBest(trainSet))
stats.MainLoop(problem, logger, ":8080", "../web")
} else {
fmt.Println()
logger.PrintStats = true
logger.PrintBest = opts.Verbose
problem.Run(logger)
}
}
// build and run model
func main() {
// get options
var maxSize, maxDepth int
var configFile string
flag.IntVar(&maxSize, "size", 0, "maximum tree size - zero for none")
flag.IntVar(&maxDepth, "depth", 0, "maximum tree depth - zero for none")
flag.StringVar(&configFile, "config", "desert.txt", "grid definition file")
opts := util.DefaultOptions
util.ParseFlags(&opts)
// create primitive set
grid := readGrid(configFile)
pset := gp.CreatePrimSet(0)
pset.Add(Terminal("x", func(ant *Ant) int { return ant.col }))
pset.Add(Terminal("y", func(ant *Ant) int { return ant.row }))
pset.Add(Terminal("carrying", func(ant *Ant) int { return ant.carrying }))
pset.Add(Terminal("color", func(ant *Ant) int { return ant.grid.cells[ant.row][ant.col].color }))
pset.Add(Terminal("go-n", move(0)))
pset.Add(Terminal("go-e", move(1)))
pset.Add(Terminal("go-s", move(2)))
pset.Add(Terminal("go-w", move(3)))
pset.Add(Terminal("go-rand", func(ant *Ant) int { return move(ant.grid.rng.Intn(4))(ant) }))
pset.Add(Terminal("pickup", pickUp))
pset.Add(IfElse("iflte", 4, ifLessThanOrEqual))
pset.Add(IfElse("ifltz", 3, ifLessThanZero))
pset.Add(IfElse("ifdrop", 2, ifDrop))
// setup model
problem := &gp.Model{
PrimitiveSet: pset,
Generator: gp.GenFull(pset, 1, 2),
PopSize: opts.PopSize,
Fitness: fitnessFunc(grid),
Offspring: gp.Tournament(opts.TournSize),
Mutate: gp.MutUniform(gp.GenFull(pset, 0, 2)),
MutateProb: opts.MutateProb,
Crossover: gp.CxOnePoint(),
CrossoverProb: opts.CrossoverProb,
Threads: opts.Threads,
}
if maxDepth > 0 {
problem.AddDecorator(gp.DepthLimit(maxDepth))
}
if maxSize > 0 {
problem.AddDecorator(gp.SizeLimit(maxSize))
}
problem.PrintParams("== Artificial ant ==")
logger := stats.NewLogger(opts.MaxGen, opts.TargetFitness)
if opts.Verbose {
logger.OnDone = func(best *gp.Individual) {
g, _ := run(grid, best.Code)
fmt.Println(g)
}
}
// run
if opts.Plot {
logger.RegisterSVGPlot("best", createPlot(grid, 500, 40))
stats.MainLoop(problem, logger, ":8080", "../web")
} else {
fmt.Println()
logger.PrintStats = true
logger.PrintBest = opts.Verbose
problem.Run(logger)
}
}