Re: [R] editor for MacOS X
Why don't you use the bult-in editor from R under OS X? It's much better as the windows pendant. Take care, Michael On 28.11.2008, at 12:15, Bunny, lautloscrew.com wrote: Hi all, just wondered again, if there is some R editor for Mac OS X comparable to TINN-R on windows. thx in advance.. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] How to optimize a trading singal generator (for-loop)?
Hi guys,
I've got some performance troubles with my trading signal generator,
which indicates when the system goes long or short.
I'm playing with some historical data and the for-loop isn't doing his
job very efficient. Is there some vectorial solution for this?
Here the for-loop:
> trade.long <- 0
> trade.short <- 0
> for (j in peak.days : dim(commodities[[i]])[1]) {
># Trading Signal Long
> if (commodities[[i]][j, "High"] >= commodities[[i]][j,
"HighestHigh"] && trade.long == 0) {
>commodities[[i]][j, "Long"] <- 1
>trade.long <- 1
>}
> if (commodities[[i]][j, "Low"] <= commodities[[i]][j, "emaH"] &&
trade.long == 1) {
>commodities[[i]][j, "Long"] <- -1
>trade.long <- 0
>}
># Trading Signal Short
> if (commodities[[i]][j, "Low"] <= commodities[[i]][j, "LowestLow"]
&& trade.short == 0) {
>commodities[[i]][j, "Short"] <- 1
>trade.short <- 1
>}
> if (commodities[[i]][j, "High"] >= commodities[[i]][j, "emaL"] &&
trade.short == 1) {
>commodities[[i]][j, "Short"] <- -1
>trade.short <- 0
>}
> } # for (j in peak.days : dim(commodities[[i]])[1])
Any ideas are very appreciated, because this for-loop takes about 2 -
3 hours to finish...
Thank you, Michael
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
[R] Multidimensional array with R
Hi there I know, I'm sure you discussed this stuff 100 times, but I really have a basic understanding problem, if and how do I create a multidimensional array in R. I'm coming from MATLAB and there it's as easy as you ever could imagine. Ok, so, I want to have an array, where I can fill in data from a Excel spreadsheet. The array should be addressed like this: data["Cacao"]["Open"] or data["Cotton"]["Close"], you get me? Ok, that's fine. Otherwise feel free to ask questions. Because I tried to build such an array but without success (even with googling)... Thank you, Michael __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] OHLC Plot with EMA in it
Hi there I have some timeseries data which I plot in a OHLC Plot. In the same plot I'd like to have the EMA of this timeseries. I tried to add the EMA point to OHLC with lines(), but this doesn't work. Has anyone an idea how to handle it? Regards, Michael Zak __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
