On Apr 13, 2010, at 3:31 AM, Mao Jianfeng wrote:
Dear R-helpers
I want to express my respect and thankfulness to all of you. An
apology to the second post of this query. I have
ever asked this question yesterday. Following Mr. Henrik
Bengtsson's advice I re-submit this query here.
I just switch from windows xp to Ubuntu linux platform. I am facingtwo
problems when I run R in Ubuntu.
I need your helps and advice, thanks in advance.
1. R session info
-----------------------------------------------------------------------------------------------------------
sessionInfo()
R version 2.10.1 (2009-12-14)
i486-pc-linux-gnu
locale:
[1] en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] JavaGD_0.5-2 rJava_0.8-3
loaded via a namespace (and not attached):
[1] tcltk_2.10.1 tools_2.10.1
2. problem 1: JGR package can not be loaded in R session properly
-----------------------------------------------------------------------------------------------------------
library(JGR)
Loading required package: rJava
Loading required package: JavaGD
Loading required package: iplots
Error in .jnew("org/rosuda/iplots/Framework") :
java.awt.AWTError: Cannot load AWT toolkit:
gnu.java.awt.peer.gtk.GtkToolkit
Error: package 'iplots' could not be loaded
I got that error on a Mac (i.e. BSD Unix) and it waas solved when I
installed and then used a launcher obtained from the JGR website. The
situation was not unlike using the R64.app GUI.
--
David
traceback()
3: stop(gettextf("package '%s' could not be loaded", pkg), call. =
FALSE,
domain = NA)
2: .getRequiredPackages2(pkgInfo)
1: library(JGR)
3. problem 2: demo() just can return a blank window-board
-----------------------------------------------------------------------------------------------------------
demo(graphics)
demo(graphics)
---- ~~~~~~~~
Type <Return> to start :
require(datasets)
require(grDevices); require(graphics)
## Here is some code which illustrates some of the differences
between
## R and S graphics capabilities. Note that colors are generally
specified
## by a character string name (taken from the X11 rgb.txt file) and
that line
## textures are given similarly. The parameter "bg" sets the
background
## parameter for the plot and there is also an "fg" parameter which
sets
## the foreground color.
x <- stats::rnorm(50)
opar <- par(bg = "white")
plot(x, ann = FALSE, type = "n")
Hit <Return> to see next plot:
Error in plot.new() : attempt to plot on null device
traceback()
7: plot.new()
6: plot.default(x, ann = FALSE, type = "n")
5: plot(x, ann = FALSE, type = "n")
4: eval.with.vis(expr, envir, enclos)
3: eval.with.vis(ei, envir)
2: source(available, echo = echo, max.deparse.length = Inf,
keep.source = TRUE)
1: demo(graphics)
-----------------------------------------------------------------------------------------------------------
Yours,
Jian-Feng, Mao
the Institute of Botany, CAS
Beijing, China
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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.
