[R] quantmod ATR problem

From: Chris <chris_at_chrisbird.com>
Date: Wed, 19 Nov 2008 00:28:18 -0800 (PST)


Trying to plot ATR of time series using SMA using quantmod, plots fine with maType="EMA".
However, when I use maType="SMA" I get the following error:

Error in SMA(c(0, 0, 0, 0, 0, ... :

   unused arguments(s) (wilder = FALSE)
Calls: addATR -> ATR -> do.call -> SMA
Execution halted

The code I am using is:

addATR(n=20, wilder=FALSE, maType="SMA")       # does not work
addATR(n=20, maType="EMA")                              # works fine

Note, the problem still occurs if the wilder argument is modified or completely removed.
This is probably quite simply, but I am very new to [R] - any help would be appeciated.

Regards,

Chris.



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