A more elegant way to do this is
standard <- sapply(calm, function(calmi){calmi / sqrt(emaTA(calmi ^ 2,
0.03))})
Cheers,
Thierry
------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium
tel. + 32 54/436 185
[EMAIL PROTECTED]
www.inbo.be
Do not put your faith in what statistics say until you have carefully
considered what they do not say. ~William W. Watt
A statistical analysis, properly conducted, is a delicate dissection of
uncertainties, a surgery of suppositions. ~M.J.Moroney
> -----Oorspronkelijk bericht-----
> Van: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Namens john seers (IFR)
> Verzonden: woensdag 4 juli 2007 15:19
> Aan: livia; [email protected]
> Onderwerp: Re: [R] Loop and cbind
>
>
>
>
> Hi
>
> In what way does it not work?
>
> My guess is that you have not declared your values outside
> the for loop.
> As they are local they will be lost on exit.
>
> You need to declare them before:
>
> ewma<-vector(length=12)
> standard<-vector(length=12)
>
> for ... {
> ....
> }
>
> John Seers
>
>
>
>
> ---
>
> Hi, I would like to apply the following function for i
> between 1 and 12, and then construct a list of the return series.
>
> for (i in 1:12){
> ewma[i] <- emaTA(calm[[i]]^2,0.03)
> standard[i]<- calm[[i]]/sqrt(ewma[i])
> standard <- cbind(standard[i])
> }
>
> But it does not work. Could anyone give me some advice how
> can I achieve this? Many thanks
> --
> View this message in context:
> http://www.nabble.com/Loop-and-cbind-tf4024291.html#a11430500
> Sent from the R help mailing list archive at Nabble.com.
>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
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