[R-SIG-Finance] quantmod EMA and SMA

[Joshua Ulrich]

On Mon, Mar 9, 2015 at 8:14 AM, Olivier MARTIN
<Olivier.Martin at avignon.inra.fr> wrote:
> Hi all,
>
> I compare the serie from the function EMA() and the one from addEMA()
>
>   getSymbols("^FCHI")
> M7=EMA(Cl(FCHI),7)
> candleChart(FCHI,theme="white",subset="2015",TA=NULL)
> addEMA(7)
> addTA(M7,on=-1)
>
> I don't understant why I don't obtain the same serie with the two
> functions...

M7 is calculated using the close price.  You didn't specify which
column to use in the addEMA call, so it used the first column--the
open.

> Reagrds,
> Olivier.
>
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-- 
Joshua Ulrich  |  about.me/joshuaulrich
FOSS Trading  |  www.fosstrading.com