Multiple quantmod charts on one plot ?
Hi Ulrich, One of the weaknesses to the original quantmod charts is the difficulty in layout. The (very dated) examples on the site are made by carefully managing the layout (final expected layout) with the R function... 'layout'. Search the list for some examples of how to do this, but suffice it to say here that the answer revolves around 'layout' and passing layout=NULL to the charting calls. The newest R-forge version fixes all of this. The code you have below is essentially how you would use the new version, though lineChart and co. are not yet available as wrappers. chart_Series and add_TA will get most of what you want done, and feedback is appreciated as I hope to get this to CRAN now that the R/Finance conference is over. Eventually the names will move back to the old chartSeries etc convention, but for now to keep some sanity in old code, I will provide both old and new functionality. HTH Jeff On Tue, Apr 20, 2010 at 9:53 AM, Ulrich Staudinger
<ustaudinger at gmail.com> wrote:
Hi there, I try to replicate the nice chart on http://www.quantmod.com/gallery/, but am stuck at putting several charts onto one plot. In traditional R, I would do: par(mfrow=c(2,1)) plot(data1) plot(data2) ... but with quantmod, when I: par(mfrow=c(2,1)) lineChart(data1) lineChart(data2) then I see only the line chart of data2. What do I have to use to put several line/candle/barcharts onto one plot pane? Thanks! -- Kind regards, Ulrich B. Staudinger ? ? ? ?[[alternative HTML version deleted]]
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Jeffrey Ryan jeffrey.ryan at insightalgo.com ia: insight algorithmics www.insightalgo.com