similar to: Error Using pm.getabst()

R Users - I asked about this a few months ago and never did quite figure it out, so with more information, allow me to try again. If I use the following code: library(xml) xmlTreeParse("http://home.comcast.net/~larsenmtl/xmlTestDoc.xml", isURL = TRUE) I receive this error: Error in xmlTreeParse("http://home.comcast.net/~larsenmtl/xmlTestDoc.xml"", : error in

Hi all, this is my first post in this mailing group. I hope that anyboby could help me parsing a xml file. I found this website http://www.omegahat.org/RSXML/gettingStarted.html but unfortunately my XML file is not as easy as the one in the example. Example: <?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet

Dear All I am doing one distributed data mining program. So I selected GridR package for the distributed programming. *grid.init(service="local",debug=FALSE, localTmpDir="GridRTmp/") grid.apply("x",UCS, wait=TRUE )* UCS is a function. When I execute this statement, I have some errors like : *cannot load local function/variable: xmlRoot extracted from line: : no

Dear, I want to read XML documents, add child nodes to some elements and store everything back as an XML document. I've tryed the following: doc <- xmlTreeParse("file.xml") QTListNode<-xmlElementsByTagName(xmlRoot(doc)[[1]],"tagname") append.xmlNode(QTListNode[[1]],newXMLNode(name ="Norm", attrs = NULL)) saveXML(doc, file = "out.xml",

Hi, I'm trying to use the XML package to read an RSS feed. To get started, I was trying to use this post as an example: http://www.r-bloggers.com/how-to-build-a-dataset-in-r-using-an-rss-feed-or-web-page/ I can replicate the beginning section of the post, but when I try to use another RSS feed I have an issue. The RSS feed I would like to use is: > URL <-

Hello again, Another stumble here that is defeating me. I try: a<-readLines(url("http://feeds.feedburner.com/grokin")) t<-XML::xmlTreeParse(a, ignoreBlanks=TRUE, replaceEntities=FALSE, asText=TRUE) elem<- XML::getNodeSet(XML::xmlRoot(t),"/rss/channel/item")[[1]] And I get: Start tag expected, '<' not found Error: 1: Start tag expected, '<' not

Is there any function to write a XML structure, after it was read using xmlTreeParse? Ex: library(XML) x <- xmlTreeParse("Irpf2008/aplicacao/dados/12345678901/12345678901.xml") # write it... Alberto Monteiro PS: please, brazilians, don't be offended by my foul language!

Hello all, I have a problem with the way attributes are dealt with in the function xmlToList(), and I haven't been able to figure it out for days now. Say I have a document (produced by nmap) like this: > mydoc <- '<host starttime="1365204834" endtime="1365205860"><status state="up" reason="echo-reply"

I have an XML file that has within it the coordinates of some polygons that I would like to extract and use in R. The polygons are nested rather deeply. For example, I found by trial and error that I can extract the coordinates of one of them using functions from the XML package: doc <- xmlInternalTreeParse('doc.kml') docroot <- xmlRoot(doc) pgon <-

I'm struggling with package XML to parse a Garmin file (named *.tcx). I wonder if it's form is incomplete, but appreciably reluctant to paste even a shortened version. The output below shows I can get nodes, but an attempt at value of a single node comes up empty (even though there is data there. One question: Has anybody succeeded parsing Garmin .tcx (xml) files? Thanks! Michael

Dear useRs, I have a simple/RTFM question about XML parsing. Given an XML file, such as (fragment) <A>100</A> <B>23</B> <C>true</C> how do I import it in a data frame or list, so that the values (100, 23, true) can be accessed through the names A, B and C? I installed the XML package and looked over the documentation... however after 20 minutes and a couple of

Hey, I have an double loop like this: chunk <- list(1:10, 11:20, 21:30) for(k in 1:length(chunk)){ print(chunk[k]) DummyCatcher <- NULL for(i in chunk[k]){ print("i load something") dummy <- 1 print("i do something") dummy <- dummy + 1 print("i do put it together") DummyCatcher = rbind(DummyCatcher, dummy) } print("i save a chunk

Hello! I am trying to get specific fields from an XML document and I am totally puzzled. I hope someone can help me. # URL URL<-"http://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=pubmed&id=11877539,11822933,11871444&retmode=xml&rettype=citation" # download a XML file tmp <- xmlTreeParse(URL, isURL = TRUE) tmp <- xmlRoot(tmp) Now I want to extract only

Hello, I'm attempting to read information from an XML into a data frame in R using the "XML" package. I am unable to get the data into a data frame as I would like. I have some sample code below. *XML Code:* Header... Data I want in a data frame: <data> <row BRAND="GMC" NUM="1" YEAR="1999" VALUE="10000" /> <row

Hi, I have an existing XML document on disk, which I'd like to use as a template, and exchange a subnode with my own newly created subtree: <?xml version="1.0"?> <Duncan> <name a="1" b="xyz"> <first>Duncan</first> <last>Temple Lang</last> </name> </Duncan> created by e.g. ? library(XML)

Dear all I am trying to use the ODB package to connect to an libreoffice-odb database. The libreoffice package is german, thus, decimal separator is a comma. However, I can open the database and upload a it without error, library(ODB) db <- odb.open("Test.odb") but a soon as the "odb.open" command is executed, the decimal separator in R is changed to comma. Before

Hi I am trying to read selected fields from a xml file with R using xml package. So far I have learned the basics of this package by going through the manual, examples, tutorial, and so on (www.omegahat.org/RSXML) . The problem is that I am getting stuck when it comes down to more complex xml files. I am a novice in R and xml, and was wondering if someone could help me out with here.

Hi, I have one xml file. <Class> <Node1 code ="1"> First node </Node1> <Node2 code ="1"> Second node </Node2> <Node3 code ="1"> Third node </Node3> <Node1 code ="2"> Fourth node </Node1> </Class> for (i in 1:xmlSize()) { print(Class[i]) # how can i filter Node1 ? } by

Hi Guys, I am relatively new to R and was wondering if I could next my gsub command in identifying one object I have data which looks like this: <name>Taiwan_250km</name> I want it to look like this: Taiwan_250km So essentially I just want to gsub '<name>' and </name> with nothing! So far I have got this: PolyNam <-

Hello, I'm attempting to read information from an XML into a data frame in R using the "XML" package. I am unable to get the data into a data frame as I would like. I have some sample code below. *XML Code:* Header... Data I want in a data frame: <data> <row BRAND="GMC" NUM="1" YEAR="1999" VALUE="10000" /> <row