The general mechanism to add technical analysis studies or overlays
to a financial chart created with chartSeries.Functionality marked with a ‘*’ is via the TTR package.
General TA charting tool functions:
- addTAadd data as custom indicator
- dropTAremove technical indicator
- moveTAmove a technical indicator
- swapTAswap two technical indicators
Current technical indicators include:
- addADXadd Welles Wilder's Directional Movement Indicator*
- addATRadd Average True Range *
- addAroonadd Aroon Indicator *
- addAroonOscadd Aroon Oscillator *
- addBBands:add Bollinger Bands *
- addCCIadd Commodity Channel Index *
- addCMFadd Chaiken Money Flow *
- addChADadd Chaiken Accumulation Distribution Line *
- addChVoladd Chaiken Volatility *
- addCMOadd Chande Momentum Oscillator *
- addDEMAadd Double Exponential Moving Average *
- addDPOadd Detrended Price Oscillator *
- addEMAadd Exponential Moving Average *
- addEMVadd Arm's Ease of Movement *
- addEnvelopeadd Moving Average Envelope
- addEVWMAadd Exponential Volume Weighted Moving Average *
- addExpiryadd options or futures expiration lines
- addKSTadd Know Sure Thing *
- addLinesadd line(s)
- addMACD:add Moving Average Convergence Divergence *
- addMFIadd Money Flow Index *
- addMomentumadd Momentum *
- addOBVadd On-Balance Volume *
- addPointsadd point(s)
- addROC:add Rate of Change *
- addRSIadd Relative Strength Indicator *
- addSARadd Parabolic SAR *
- addSMAadd Simple Moving Average *
- addSMIadd Stochastic Momentum Index *
- addTDIadd Trend Direction Index *
- addTRIXadd Triple Smoothed Exponential Oscillator *
- addVoadd Volume if available
- addVolatilityadd volatility *
- addWMAadd Weighted Moving Average *
- addWPRadd Williams Percent R *
- addZigZagadd Zig Zag *
- addZLEMAadd ZLEMA *
See the individual functions for specific implementation and argument details. Details
of the underlying TTR implementations can be found in TTR.
The primary changes between the add*** version of an indicator and the
TTR base function is the absense of the data argument in the former.
Notable additions include on, with.col.