sampling

Documentation

Index

• func SavePointsToCSV(file string, points []Point) error
• type LTDSampler
  • func (c *LTDSampler) Sample(points []Point, sampleNum uint32) (samples []Point, err error)
• type LTTBSampler
  • func (c *LTTBSampler) Sample(points []Point, sampleNum uint32) (samples []Point, err error)
• type Point
  • func LoadPointsFromCSV(file string) ([]Point, error)
• type Sampler
  • func NewLTDSampler() Sampler
  • func NewLTTBSampler() Sampler

Functions

func SavePointsToCSV

func SavePointsToCSV(file string, points []Point) error

Types

type LTDSampler

type LTDSampler struct{}

func (*LTDSampler) Sample

func (c *LTDSampler) Sample(points []Point, sampleNum uint32) (samples []Point, err error)

type LTTBSampler

type LTTBSampler struct{}

func (*LTTBSampler) Sample

func (c *LTTBSampler) Sample(points []Point, sampleNum uint32) (samples []Point, err error)

type Point

type Point = downsampling.Point

func LoadPointsFromCSV

func LoadPointsFromCSV(file string) ([]Point, error)

type Sampler

type Sampler interface {
	Sample(points []Point, sampleNum uint32) ([]Point, error)
}

Sampler is the interface that wraps the basic Sample method. if sampleNum == 0, return original points

func NewLTDSampler

func NewLTDSampler() Sampler

func NewLTTBSampler

func NewLTTBSampler() Sampler