- you should have posted to either R-help or (more appropriately) to
the omega-help list.
That said, you need something like this:
root.node <- xmlTreeParse(x, useInternalNodes = TRUE)
nbrelation.set <- getNodeSet(root.node, "//nbRelations")
nbrelation.list <- sapply(nbrelation.set, function(x) { xmlValue(x) } )
and nbrelation.list now contains the "2" in
nbRelations as text - you may want to do as.numeric() on it as well.
Abdelhakim z wrote:
> 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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> https://stat.ethz.ch/mailman/listinfo/r-devel
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