indicators

Documentation

Index

• Constants
• Variables
• func ParseIndicatorSelector(in string) (int, error)
• func ParseMAType(in string) (indicators.MaType, error)
• type ATR
  • func (o *ATR) TypeName() string
• type BBands
  • func (o *BBands) TypeName() string
• type Correlation
  • func (c *Correlation) TypeName() string
• type EMA
  • func (o *EMA) TypeName() string
• type MACD
  • func (o *MACD) TypeName() string
• type MFI
  • func (o *MFI) TypeName() string
• type OBV
  • func (o *OBV) TypeName() string
• type RSI
  • func (o *RSI) TypeName() string
• type SMA
  • func (o *SMA) TypeName() string

Constants

const AverageTrueRange = "Average True Range"

AverageTrueRange is the string constant

const BollingerBands = "Bollinger Bands"

BollingerBands is the string constant

const CorrelationCoefficient = "Correlation Coefficient"

CorrelationCoefficient is the string constant

const ExponentialMovingAverage = "Exponential Moving Average"

ExponentialMovingAverage is the string constant

const MoneyFlowIndex = "Money Flow Index"

MoneyFlowIndex is the string constant

const MovingAverageConvergenceDivergence = "Moving Average Convergence Divergence"

MovingAverageConvergenceDivergence is the string constant

const OHLCV = "OHLCV data"

OHLCV locale string for OHLCV data conversion failure

const OnBalanceVolume = "On Balance Volume"

OnBalanceVolume is the string constant

const RelativeStrengthIndex = "Relative Strength Index"

RelativeStrengthIndex is the string constant

const SimpleMovingAverage = "Simple Moving Average"

SimpleMovingAverage is the string constant

Variables

var AtrModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: atr},
}

AtrModule range indicator commands

var BBandsModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: bbands},
}

BBandsModule bollinger bands indicator commands

var CorrelationCoefficientModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: correlationCoefficient},
}

CorrelationCoefficientModule indicator commands

var EMAModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: ema},
}

EMAModule EMA indicator commands

var MACDModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: macd},
}

MACDModule MACD indicator commands

var MfiModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: mfi},
}

MfiModule index indicator commands

var ObvModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: obv},
}

ObvModule volume indicator commands

var RsiModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: rsi},
}

RsiModule relative strength index indicator commands

var SMAModule = map[string]objects.Object{
	"calculate": &objects.UserFunction{Name: "calculate", Value: sma},
}

SMAModule simple moving average indicator commands

Functions

func ParseIndicatorSelector

func ParseIndicatorSelector(in string) (int, error)

ParseIndicatorSelector returns indicator number from string for slice selection

func ParseMAType

func ParseMAType(in string) (indicators.MaType, error)

ParseMAType returns moving average from sring

Types

type ATR

type ATR struct {
	objects.Array
	Period int
}

ATR defines a custom Average True Range indicator tengo object

func (*ATR) TypeName

func (o *ATR) TypeName() string

TypeName returns the name of the custom type.

type BBands

type BBands struct {
	objects.Array
	Period               int
	STDDevUp, STDDevDown float64
	MAType               indicators.MaType
}

BBands defines a custom Bollinger Bands indicator tengo object

func (*BBands) TypeName

func (o *BBands) TypeName() string

TypeName returns the name of the custom type.

type Correlation

type Correlation struct {
	objects.Array
	Period int
}

Correlation defines a custom correlation coefficient indicator tengo object

func (*Correlation) TypeName

func (c *Correlation) TypeName() string

TypeName returns the name of the custom type.

type EMA

type EMA struct {
	objects.Array
	Period int
}

EMA defines a custom Exponential Moving Average indicator tengo object

func (*EMA) TypeName

func (o *EMA) TypeName() string

TypeName returns the name of the custom type.

type MACD

type MACD struct {
	objects.Array
	Period, PeriodSlow, PeriodFast int
}

MACD defines a custom Moving Average Convergence Divergence tengo indicator object type

func (*MACD) TypeName

func (o *MACD) TypeName() string

TypeName returns the name of the custom type.

type MFI

type MFI struct {
	objects.Array
	Period int
}

MFI defines a custom Money Flow Index tengo indicator object type

func (*MFI) TypeName

func (o *MFI) TypeName() string

TypeName returns the name of the custom type.

type OBV

type OBV struct {
	objects.Array
}

OBV defines a custom On Balance Volume tengo indicator object type

func (*OBV) TypeName

func (o *OBV) TypeName() string

TypeName returns the name of the custom type.

type RSI

type RSI struct {
	objects.Array
	Period int
}

RSI defines a custom Relative Strength Index indicator tengo object type

func (*RSI) TypeName

func (o *RSI) TypeName() string

TypeName returns the name of the custom type.

type SMA

type SMA struct {
	objects.Array
	Period int
}

SMA defines a custom Simple Moving Average indicator tengo object type

func (*SMA) TypeName

func (o *SMA) TypeName() string

TypeName returns the name of the custom type.