pge

README

go-pesr

a Go library for Prioritized Enumeration based Symbolic Regression

Prioritized enumeration is a deterministic algorithm for uncovering symbolic equations from data sets. PESR is inspired by dynamic programming.

Documentation

Index

• func RegressExpr(E expr.Expr, P *probs.ExprProblem) (R *probs.ExprReport)
• type IpreNode
  • func (n *IpreNode) InsertSerial(s []int) (did_ins bool)
• type PgeSearch
  • func (PS *PgeSearch) AddTermToExprMethod1(O, E expr.Expr, pos int) (ret []expr.Expr)
  • func (PS *PgeSearch) Clean()
  • func (PS *PgeSearch) DeepenTermInExprMethod1(O, E expr.Expr, pos int) []expr.Expr
  • func (PS *PgeSearch) Evaluate()
  • func (PS *PgeSearch) Expand(O expr.Expr) (ret []expr.Expr)
  • func (PS *PgeSearch) ExpandMethod1(O expr.Expr) (ret []expr.Expr)
  • func (PS *PgeSearch) ExpandMethod2(O expr.Expr) (ret []expr.Expr)
  • func (PS *PgeSearch) ExpandMethod3(O expr.Expr) (ret []expr.Expr)
  • func (PS *PgeSearch) GenInitExpr() *probs.ReportQueue
  • func (PS *PgeSearch) GenInitExprAddMethod1() []expr.Expr
  • func (PS *PgeSearch) GenInitExprDivMethod1() []expr.Expr
  • func (PS *PgeSearch) GenInitExprMethod1() *probs.ReportQueue
  • func (PS *PgeSearch) GenInitExprMethod2() *probs.ReportQueue
  • func (PS *PgeSearch) GenInitExprMethod3() *probs.ReportQueue
  • func (PS *PgeSearch) GenInitExprMulMethod1() []expr.Expr
  • func (PS *PgeSearch) GetMaxIter() int
  • func (PS *PgeSearch) Init(done chan int, prob *probs.ExprProblem, logdir string, input interface{})
  • func (PS *PgeSearch) ParseConfig(filename string)
  • func (PS *PgeSearch) Run()
  • func (PS *PgeSearch) SetEvalrCount(cnt int)
  • func (PS *PgeSearch) SetGrowMethod(grow string)
  • func (PS *PgeSearch) SetInitMethod(init string)
  • func (PS *PgeSearch) SetMaxIter(iter int)
  • func (PS *PgeSearch) SetPeelCount(cnt int)
  • func (PS *PgeSearch) WidenTermInExprMethod1(O, E expr.Expr, pos int) (ret []expr.Expr)

Functions

func RegressExpr

func RegressExpr(E expr.Expr, P *probs.ExprProblem) (R *probs.ExprReport)

Types

type IpreNode

type IpreNode struct {
	// contains filtered or unexported fields
}

func (*IpreNode) InsertSerial

func (n *IpreNode) InsertSerial(s []int) (did_ins bool)

type PgeSearch

type PgeSearch struct {

	// best exprs
	Best *probs.ReportQueue

	// equations visited
	Trie  *IpreNode
	Queue *probs.ReportQueue

	// genStuff
	GenRoots   []expr.Expr
	GenLeafs   []expr.Expr
	GenNodes   []expr.Expr
	GenNonTrig []expr.Expr
	// contains filtered or unexported fields
}

func (*PgeSearch) AddTermToExprMethod1

func (PS *PgeSearch) AddTermToExprMethod1(O, E expr.Expr, pos int) (ret []expr.Expr)

add another term to an add expr

func (*PgeSearch) Clean

func (PS *PgeSearch) Clean()

func (*PgeSearch) DeepenTermInExprMethod1

func (PS *PgeSearch) DeepenTermInExprMethod1(O, E expr.Expr, pos int) []expr.Expr

change any term to something more complex...

func (*PgeSearch) Evaluate

func (PS *PgeSearch) Evaluate()

func (*PgeSearch) Expand

func (PS *PgeSearch) Expand(O expr.Expr) (ret []expr.Expr)

func (*PgeSearch) ExpandMethod1

func (PS *PgeSearch) ExpandMethod1(O expr.Expr) (ret []expr.Expr)

func (*PgeSearch) ExpandMethod2

func (PS *PgeSearch) ExpandMethod2(O expr.Expr) (ret []expr.Expr)

func (*PgeSearch) ExpandMethod3

func (PS *PgeSearch) ExpandMethod3(O expr.Expr) (ret []expr.Expr)

func (*PgeSearch) GenInitExpr

func (PS *PgeSearch) GenInitExpr() *probs.ReportQueue

func (*PgeSearch) GenInitExprAddMethod1

func (PS *PgeSearch) GenInitExprAddMethod1() []expr.Expr

func (*PgeSearch) GenInitExprDivMethod1

func (PS *PgeSearch) GenInitExprDivMethod1() []expr.Expr

func (*PgeSearch) GenInitExprMethod1

func (PS *PgeSearch) GenInitExprMethod1() *probs.ReportQueue

func (*PgeSearch) GenInitExprMethod2

func (PS *PgeSearch) GenInitExprMethod2() *probs.ReportQueue

This is the FFXish style init function

func (*PgeSearch) GenInitExprMethod3

func (PS *PgeSearch) GenInitExprMethod3() *probs.ReportQueue

This is the FFXish style init function

func (*PgeSearch) GenInitExprMulMethod1

func (PS *PgeSearch) GenInitExprMulMethod1() []expr.Expr

func (*PgeSearch) GetMaxIter

func (PS *PgeSearch) GetMaxIter() int

func (*PgeSearch) Init

func (PS *PgeSearch) Init(done chan int, prob *probs.ExprProblem, logdir string, input interface{})

func (*PgeSearch) ParseConfig

func (PS *PgeSearch) ParseConfig(filename string)

func (*PgeSearch) Run

func (PS *PgeSearch) Run()

func (*PgeSearch) SetEvalrCount

func (PS *PgeSearch) SetEvalrCount(cnt int)

func (*PgeSearch) SetGrowMethod

func (PS *PgeSearch) SetGrowMethod(grow string)

func (*PgeSearch) SetInitMethod

func (PS *PgeSearch) SetInitMethod(init string)

func (*PgeSearch) SetMaxIter

func (PS *PgeSearch) SetMaxIter(iter int)

func (*PgeSearch) SetPeelCount

func (PS *PgeSearch) SetPeelCount(cnt int)

func (*PgeSearch) WidenTermInExprMethod1

func (PS *PgeSearch) WidenTermInExprMethod1(O, E expr.Expr, pos int) (ret []expr.Expr)

add complexity to a single multiplication term