TTR | R Documentation |
This package contains many of the most popular technical analysis functions, as well as functions to retrieve U.S. stock symbols, and data from Yahoo Finance.
Users will probably be most interested in the following functions:
ADX
BBands
changes
MovingAverages
MACD
RSI
runFun
stoch
VWAP
WebData
Joshua Ulrich
Maintainer: Joshua Ulrich
The following sites were used to code/document this package:
https://www.fmlabs.com/reference/default.htm
https://www.metastock.com/Customer/Resources/TAAZ/
https://www.linnsoft.com/indicators
https://school.stockcharts.com/doku.php?id=technical_indicators
data(ttrc)
# Bollinger Bands
bbands <- BBands( ttrc[,c("High","Low","Close")] )
# Directional Movement Index
adx <- ADX(ttrc[,c("High","Low","Close")])
# Moving Averages
ema <- EMA(ttrc[,"Close"], n=20)
sma <- SMA(ttrc[,"Close"], n=20)
# MACD
macd <- MACD( ttrc[,"Close"] )
# RSI
rsi <- RSI(ttrc[,"Close"])
# Stochastics
stochOsc <- stoch(ttrc[,c("High","Low","Close")])
### Note: you must have a working internet connection
### for the examples below to work!
if (interactive()) {
# Fetch U.S. symbols from the internet
nyseSymbols <- stockSymbols("NYSE")
# Fetch Yahoo! Finance data from the internet
ge <- getYahooData("GE", 19990404, 20050607, adjust = FALSE)
}
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