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I would like to replace all occurences of /pc with \% using something like sub("/pc", "\%", x) but I am unable to make the '\' pass through. Any hint? Thanks, Roberto

Dear community, I'm using R 2.6.1 on a GNU/Linux Slackware box. I would like to obtain larger text when using spplot (from sp 0.9-43) using spplot(... cex=2) but I get no visible effect...

I would like to create a 'bar' plot with the following look - 0 + -------------------------+---------------------- oooooooo************ ********* ooooooooo oo**** where the positive and negative parts of the bar should have a different color. Is there any function/package supporting this kind of plot...

I'm trying to write a simple wrapper for plotting functions to make them print to postscript, something like ploteps <- function(file, plotFunction, ...) { args <- list(bquote(...)) # prepare postscript device do.call(plot, args) # close postscript device } I have inserted the...

I'm using an S4 object with a slot of type 'call': I would like to be able to initialize it with something like NULL or NA (indicating that there is no information in the slot) but the value should...

I would like to port to R the IPAT-S language, kind of a 'domain specific' scripting language for developing quantitative models for medium and long-term sustainability scenarios (www.ipat-s.org). I think that in order to replicate...

Is it possible to write a support function to automatize selective argument expansion (based on argument value type) as in the following example, in order to write terse code even when there are many arguments? Forcing evaluation of all arguments...

Thanks to both of you, close to the solution, but I think that your proposals do not address the case when a bar is completely positive (or negative): I do not think that the histogram can not be extended easily...