[BioC] load AnnBuilder and install XML

James W. MacDonald jmacdon at med.umich.edu
Thu Mar 17 15:32:21 CET 2005

zhihua li wrote:
> Hi netters
> I've downloaded and installed AnnBuilder. When I loaded it, I was told 
> that the dependent package XML had not been installed.
> According to the manual of AnnBuilder, the XML package can be found in 
> CRAN. But I can't find a windows binary there. Instead, I went to 
> http://www.omegahat.org/RSXML/index.html and downloaded XML_0.97-0.zip 
> there. I used the menu of "install packages from local zip file" and it 
> seemed that I've installed XML sucessfully:
> package 'XML' successfully unpacked and MD5 sums checked
> updating HTML package descriptions
> But then when I loaded AnnBuilder, I still got:
>> library(AnnBuilder)
> Loading required package: Biobase Loading required package: tools 
> Welcome to Bioconductor         Vignettes contain introductory 
> material.  To view,         simply type: openVignette()         For 
> details on reading vignettes, see
>         the openVignette help page.
> Loading required package: XML Error in library(pkg, character.only = 
> TRUE, logical = TRUE, lib.loc = lib.loc) :        'XML' is not a valid 
> package -- installed < 2.0.0?
> I'm using R 2.0.1 actually.
> Is there something wrong with windows version of XML?

No, you just did things in an unnecessarily difficult way.


will get you what you need.

> Thanks a lot!
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James W. MacDonald
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109

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