[R] Error in read.mzXML

Minwook Kim labohemekim at yahoo.com
Wed Oct 22 15:39:52 CEST 2008


Thanks.

upgrading of XML package to 1.96 is helpful. 

Minwook


----- Original Message ----
From: Duncan Temple Lang <duncan at wald.ucdavis.edu>
To: Minwook Kim <labohemekim at yahoo.com>
Cc: r-help at r-project.org
Sent: Wednesday, October 22, 2008 3:20:21 PM
Subject: Re: [R] Error in read.mzXML



Minwook Kim wrote:
> I got the error when I tried to read mzxml by using caMassClass.
> 
>> msc.rawMS.read.mzXML("a.mzXML")
> Error in .classEnv(thisClass) : 
>   unable to find an environment containing class "XMLNamespaceDefinitions"
> 
> How can I fix it?

Either upgrade to R 2.8.0 or install version 1.98-1
of the XML package.

> 
> my environment in R is
> R 2.7.2 GUI 1.25(5217)
> Mac OS X 10.5.5
> 
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