Add Technical Indicator to Chart

Description

Functions to add technical indicators to a chart.

Details

The general mechanism to add technical analysis studies or overlays to a financial chart created with chartSeries.

All technical functionality is via the TTR package.

Current technical indicators include:

addADX
add Welles Wilder's Directional Movement Indicator
addATR
add Average True Range
addBBands:
add Bollinger Bands
addCCI
add Commodity Channel Index
addCMF
add Chaiken Money Flow
addCMO
add Chande Momentum Oscillator
addDEMA
add Double Exponential Moving Average
addDPO
add Detrended Price Oscillator
addEMA
add Exponential Moving Average
addEVWMA
add Exponential Volume Weighted Moving Average
addExpiry
add options or futures expiration lines
addLines
add line(s)
addMACD:
add Moving Average Convergence Divergence
addMomentum
add Momentum
addROC:
add Rate of Change
addRSI
add Relative Strength Indicator
addSAR
add Parabolic SAR
addSMA
add Simple Moving Average
addSMI
add Stochastic Momentum Index
addTRIX
add Triple Smoothed Exponential Oscillator
addVo:
add Volume if available
addWMA
add Weighted Moving Average
addWPR
add Williams Percent R
addZLEMA
add ZLEMA

See the individual functions for specific implementation and argument details. Details of the underlying TTR implementations can be found in TTR.

Value

Called for its side effects, an object to class chobTA will be returned invisibly. If called from the R command line the method will draw the appropriate indicator on the current chart.

Author(s)

Jeffrey A. Ryan

References

Josh Ulrich - TTR package