statistics

type BetaDistribution struct {
	Alpha float64 `json:"alpha"`
	Beta  float64 `json:"beta"`
}

type BootstrappableDistribution interface {
	FittableDistribution
	ContinuousDistribution
	Bootstrap(seed int64) ContinuousDistribution
}

type ContinuousDistribution interface {
	InvCDF(probability float64) float64
	CDF(value float64) float64
	PDF(value float64) float64
	CentralTendency() float64
}

type ContinuousDistributionContainer struct {
	Type  string                 `json:"type"`
	Value ContinuousDistribution `json:"parameters"`
}

type DeterministicDistribution struct {
	Value float64 `json:"value"`
}

type EmpiricalDistribution struct {
	BinStarts []float64 `json:"binstarts"`
	BinWidth  float64   `json:"binwidth"`
	BinCounts []int64   `json:"bincounts"`
	MinValue  float64   `json:"minvalue"`
	MaxValue  float64   `json:"maxvalue"`
}

type FittableDistribution interface {
	Fit(inputData []float64) ContinuousDistribution // could have an interface FittableDistribution or something like that
}

type LogNormalDistribution struct {
	Mean              float64 `json:"mean"`
	StandardDeviation float64 `json:"standarddeviation"`
}

type LogPearsonIIIDistribution struct {
	Mean                    float64 `json:"mean"`
	StandardDeviation       float64 `json:"standarddeviation"`
	Skew                    float64 `json:"skew"`
	EquivalentYearsOfRecord int     `json:"equivalent_years_of_record"`
}

type NormalDistribution struct {
	Mean              float64 `json:"mean"`
	StandardDeviation float64 `json:"standarddeviation"`
}

type PearsonIIIDistribution struct {
	Mean              float64 `json:"mean"`
	StandardDeviation float64 `json:"standarddeviation"`
	Skew              float64 `json:"skew"`
}

type ShiftedGammaDistribution struct {
	Alpha float64 `json:"alpha"`
	Beta  float64 `json:"beta"`
	Shift float64 `json:"shift"`
}

type TriangularDistribution struct {
	Min        float64 `json:"min"`
	MostLikely float64 `json:"mostlikely"`
	Max        float64 `json:"max"`
}

type UniformDistribution struct {
	Min float64 `json:"min"`
	Max float64 `json:"max"`
}