addMA {quantmod}R Documentation

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

Details

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

Value

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

Author(s)

Jeffrey A. Ryan

References

see MovingAverages in pkg{TTR} written by Josh Ulrich

See Also

addTA

Examples

## Not run: 
addSMA()
addEMA()
addWMA()
addDEMA()
addEVWMA()
addZLEMA()
## End(Not run)
[Package quantmod version 0.3-6 Index]