[Rd] XML parsing under R / Extracting nodes’ values

From: Abdelhakim z <abdelhakimz_at_gmail.com>
Date: Mon, 14 May 2007 19:40:18 +0100


Hi,
I have an XML file which contains among other nodes :

===myXMLfile.xml===
(…)
<nbRelations>2</nbRelations>
<nbActors>2</nbActors>

(...)
<nbRuns>5</nbRuns>
<nbStep>2000</nbStep>

(…)
===End file===
I need to extract those values and to make them R variables such as: nbRelations = 2
nbActors = 2

nbRuns = 5
nbSteps = 2000

I read the help and have seen the examples of the xml package, it seems that I need to use xmlTreeParse() function but I don't know how exactly as I'm not an R advanced programmer, please can anyone show me how to do that explicitly ?

Any help would be much appreciated

Thanks,

Abdel
University of Boumerdès
Algeria



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