On 28.03.2010 21:20, Peter Ehlers wrote:
I haven't seen an answer to this yet.
Your problem may stem from having defined a variable T.
I can replicate your error messages with:
T <- "hello"
library(RMark)
So methinks that this probably indicates that there may be
a problem with using T for TRUE (when will Rusers finally
stop doing that???).
And sure enough, after loading RMark (with no T in my
workspace), I find that the authors of RMark have replaced
base R's .First.lib with their own version which contains
the line:
info <- strsplit(library(help = pkgname, character.only = T)$info[[1]],
"\\:[ ]+")
Note to RMark authors (and others): get used to using
TRUE and FALSE. The few characters saved by using T/F
are not worth it!
Let me add:
Please note that such code could cannot pass R CMD check. In other
words, the authors either ignored the error or never checked their
package. Such a package could not be shipped through CRAN, for example.
Please use the package checks. They are really useful.
Best,
Uwe Ligges
-Peter Ehlers
On 2010-03-26 15:40, Glenn E Stauffer wrote:
I am trying to load a package called Rmark, but when I run
library(Rmark)
I get the following:
library(RMark)
Error in !character.only : invalid argument type
Error in library(RMark) : .First.lib failed for 'RMark'
When I try to load Rmark from the packages menu, I get:
local({pkg<- select.list(sort(.packages(all.available = TRUE)))
+ if(nchar(pkg)) library(pkg, character.only=TRUE)})
Error in !character.only : invalid argument type
Error in library(pkg, character.only = TRUE) :
.First.lib failed for 'RMark'
Any ideas what is causing this error?
My OS is Windows XP, and my R version is R.2.10.1
Thanks,
Glenn
*****************************************
Glenn E. Stauffer
Graduate Research Assistant
Department of Ecology
Montana State University
Bozeman, MT 59717
406-994-5677
gestauf...@gmail.com
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