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I'm having trouble loading ggplot2 on my mac (Snow Leopard) using R version 2.12.1, as shown below. I can't find a posting relevant to this problem, so any help would be very much appreciated. Thanks, peter l > install.packages('ggplot2', dep = TRUE) trying URL 'http://cran.cnr.Berkeley.edu/bin/macosx/leopard/contrib/2.12/ggplot2_0.8.9.tgz' Content type

Hello, I have a problem with special characters such as "?" or "?" when using hwriter. This only happens when I use windows, it works fine on mac. If I do: print(datosdv) "Ciencias Sociales y Jur?dicas n:74 | 33.94%" but: hwrite(datosdv, p, br=TRUE) "Ciencias Sociales y Jur?dicas n:74 | 33.94%" The bad sign is in the code, is not a problem of the

Hello, I have a barplot where each row has quite long texts and I have used "par" to make some room in the left: par(mar=c(0, 17, 3, 0), oma=c(0, 0, 0, 0)) barplot2(prueba, main = l, col=colores, horiz=TRUE,las=1, cex.names=.7) My problem is that main text appears justified to the plot. I want to put it in the middle of the image, and find a way to sort it out with mtex par(mar=c(0,

Hello, I have a double matrix that I want to represent in a line chart. Although I have seen some examples I still don't manage to get it. My data is this (a double matrix called mymatrix) : Blogs Wikis Redes Etiq. SPC LMS Menor de 30 57.14 28.57 14.29 28.57 57.14 28.57 de 31 a 40 63.83 61.70 29.79 17.02 59.57 70.21 de 41 a 50 72.64 70.75 47.17 20.75 55.66 75.47 Mayor de