quantmod (version 0.3-4)

addMA: Add Moving Average to Chart

Description

Add one or more moving averages to a chart.

Usage

addSMA(n = 10, on = 1, with.col = Cl, overlay = TRUE, col = "brown")
addEMA(n = 10, wilder = FALSE, ratio=NULL, on = 1,
       with.col = Cl, overlay = TRUE, col = "blue")
addWMA(n = 10, wts=1:n, on = 1, with.col = Cl, overlay = TRUE, col = "green")
addDEMA(n = 10, on = 1, with.col = Cl, overlay = TRUE, col = "pink")
addEVWMA(n = 10, on = 1, with.col = Cl, overlay = TRUE, col = "yellow")
addZLEMA(n = 10, ratio=NULL, on = 1, with.col = Cl, overlay = TRUE, col = "red")

Arguments

n

periods to average over

wilder

logical; use wilder?

wts

a vector of weights

ratio

a smoothing/decay ratio

on

apply to which figure (see below)

with.col

using which column of data (see below)

overlay

draw as overlay

col

color of MA

Value

• A moving average indicator will be draw on the current chart. A chobTA object will be returned silently.

Details

see the appropriate base MA functions in TTR for more details and references.

References

see MovingAverages in pkg{TTR} written by Josh Ulrich

See Also

addTA

Examples

addSMA()
addEMA()
addWMA()
addDEMA()
addEVWMA()
addZLEMA()