similar to: Strange behavior of interval values in optimize()

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dear members, i would like to write a variable in a plot title (main="") but i don't know the right syntax:(...i tried a lot of different ways without success. here my example: y=30 z=33 for (i in 10:length(tissue)) { png(filename = tissues[i], width = 1024, height = 768, pointsize = 12, bg = "white") gene.graph("ENSG00000115252", rma.affy, gps=list(1:3,

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I try to produce and modify shapes in a PowerPoint presentation but run into a difficulty setting a variable. library(RDCOMClient) # load RDCOMClient package library(SWinTypeLibs) # package SWinTypeLibs from Omegahat to access information about COM libraries ppt = COMCreate("PowerPoint.Application") # create a ppt COM ppt[["Visible"]] <- TRUE # set COM

I am not too familiar with Cairo and RGtk2 and have the following problem: I have a container with two GTK drawing areas converted into Cairo devices. I know that I can set the current drawing context e.g. using dev.set(). But this is tedious. How can I set the context using the objects da1 or da2? w <- gtkWindow() w$setSizeRequest(400, 400) vbox <- gtkVBox() da1 <- gtkDrawingArea()

hi members, is it possible to set the work directory ( e.g. via setwd() ) on a other computer than R has been started? thanks paul

Hello, I have another question. I would like to plot something within a self written function (plotdensity) called by tapply t <- tapply(mat, classes, plotdensity) Now I would like to add each plot the class/level as title. How can I do this? Antje

Dear R list, I've read the function writing sections on both "An introduction to R" and "R language Definition" manuals but still don't understand why the following gives an error message: fun <- function(x, ...) x + y fun(1, y=2) I get: Error in fun(1, y = 2) : object "y" not found I'd appreciate any help in understanding this. R version 2.4.1

Hi all, I have written a R-script under Windows using choose.dir. Now, I have seen that this function is missing at MacOS. Does anybody know an alternative? Antje

Dear readers, can anyone give an example how to use cross-validation in the plsr package. I miss to find the number of factors proposed by cross-validation as optimum. Thank you Peter -- View this message in context: http://n4.nabble.com/cross-validation-in-plsr-package-tp1563815p1563815.html Sent from the R help mailing list archive at Nabble.com.

Dear list, When playing around with the "[" method for S4 classes I noticed that it gets called twice in my example. setClass("testClass", representation(a="character")) setMethod("[", signature(x = "testClass", i = "ANY", j="ANY"), function (x, i, j, ..., drop){ print("void function")

Hi all, I want to estimate parameters from a VARMA(p,q)-Modell. The equations of the model or the model structures is given by: Xt=beta1+beta2*Xt-1+beta3*Yt-1+epsilon1 Yt=beta4+beta5*Yt-1+espilon2 epsilon1 and espilon2 are white noise. Xt is given by a vector of n elements e.g. (2, 4, 7, 9, …,n)’ and Yt is given by a vector of n elements e.g. (4,9,12,17,…,n)’. The lineVar from

Is there a blank space escape sequence in R, i.e. something like \sp etc. to produce a blank space? TIA Mark ??????????????????????????????????????? Mark Heckmann Blog: www.markheckmann.de R-Blog: http://ryouready.wordpress.com

Hello, using the <<- assignment operator I do not understand why the following does not work. l <<- list() l list() l$arg1 <<- "test" error in l$arg1 <<- "test" : Objekt 'l' not found ?"<<-" says: "The operators <<- and ->> cause a search to made through the environment for an existing definition of the

When using a gtkDrawingArea as a Cairo device I very often encounter the error: "figure margins too large" Even for the below "getting started" example from http://www.ggobi.org/rgtk2/ this is the case. > win = gtkWindow() > da = gtkDrawingArea() > win$add(da) > asCairoDevice(da) [1] TRUE > plot(1:10) Fehler in plot.new() : Grafikr?nder zu gro? > Also