Hi,
Both following code examples plot Bollinger bands over the ticker main plot
and William's Percent below the main plot.
1. chartSeries(YHOO,theme="white",TA = c(addBBands(200,2), addWPR(n=300)))
2. chartSeries(IB,theme="white",TA = c(addBBands(200,2)))
addWPR(n=300)
In general, if you like to plot indipendently a trading indicator computed by
quantmod,
you can do:
wpr <- addWPR(n=300)
plot(wpr@TA.values, type='l') -- or any other R plot library you like
as in @TA.values are stored trading indicator values for any quantmod indicator.
Giorgio Garziano
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