similar to: XML to data frame or list

Displaying 20 results from an estimated 900 matches similar to: "XML to data frame or list"

2011 Jun 29
2
parse XML file
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
2012 Nov 14
2
How to filter xml value in R?
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
2011 Mar 30
1
Package XML: Parse Garmin *.tcx file problems
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
2008 Jul 02
1
Removing or overwriting an XML node
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)
2012 Feb 23
1
multiple gsub
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 <-
2008 Apr 29
4
XML write?
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!
2011 Jul 05
2
Stuck ...can't get sapply and xmlTreeParse working
Can't seem to get the code below working. It gets stuck on line 24 inside the function hm; comments show the line in question. The function hm is called by sapply and is at the bottom of the code. Other stuff above line 24 works correctly including the first couple of lines of the function hm. Should I be using a different apply function or am I doing something wrong with xmlTreeParse ?
2012 Dec 20
4
Memory filling up while looping
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
2007 Dec 14
6
Analyzing Publications from Pubmed via XML
I would like to track in which journals articles about a particular disease are being published. Creating a pubmed search is trivial. The search provides data but obviously not as an R dataframe. I can get the search to export the data as an xml feed and the xml package seems to be able to read it. xmlTreeParse("
2010 Mar 16
2
Retrieving latitude and longitude via Google Maps API
Does anyone have any experience retrieving latitutde and longitude for an address from the Google Maps API? I'd like to have an R script that submits a street address, city, state, and zip code and returns the coordinates. So far, I've been submitting the coordinates from another program, then loading the coordinates in R and merging them back into the data frame I want to use.
2004 Aug 12
1
Error Using pm.getabst()
R Users: After installing Bioconductor, RSXML and all the relevant Win32 DLLs (libxml2, zlib, iconv), I receive the following error message when using pm.getabst() Error in xmlRoot(absts) : no applicable method for "xmlRoot" I receive this when using the example from help(pm.getabst). Downloading the target XML file, parsing it with xmlTreeParse and applying xmlRoot returns no
2010 Apr 06
1
GridR
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
2009 Sep 03
1
encoding problem using xml package
Dear list I tried to read an xml file using the xml package. Unfortunately, some encoding problems occure. E.g. german Umlaut will be red correctly. I assume that the occurs due to (internal?) conversion to utf-8. To illustrate the problem, I have wrote to xml files. File Test 1 ----------- <?xml version="1.0" encoding="ISO-8859-1"?> <Daten> <ITEM>
2012 Aug 10
3
Parsing large XML documents in R - how to optimize the speed?
Hello everyone, I would like to parse very large xml files from MS/MS experiments and create R objects from their content. (By very large, I mean going up to 5-10Gb, although I am using a 'small' 40M file to test my code.) My first attempt at parsing the 40M file, using the XML package, took more than 2200 seconds and left me quite disappointed. I managed to cut that down to around 40
2003 Feb 25
1
How to modify XML documents and save changes
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",
2012 May 17
1
using XML package to read RSS
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 <-
2007 Sep 01
2
Importing huge XML-Files
Dear all, for my diploma thesis I have to import huge XML-Files into R for statistical processing - huge means a size about 33 MB. I'm using the XML-Package version 1.9 As far as reading the complete file into R via xmlTreeParse doesn't work or is too slow, I'm trying to use xmlEventParse but I got completely stuck. I have many different type of nodes + <configuration>
2005 May 27
1
xmlAttrs and problems with reading node attributes of XML file (b ug?)
Hi, Consider the following code: require(XML) xmlFile = paste( "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n", "<mzXML xmlns=\"a\" xmlns:xsi=\"b\" xsi:schemaLocation=\"c\">\n", "<parentFile a=\"a\" b=\"b\" />\n",
2008 May 02
1
How to parse XML
I would like to learn how to parse a mixed text/xml document I downloaded from the sec.gov website (see example below). I would like to parse this to get the value for each xml tag and then access it within R, but I don't know much about xml so I don't even know where to start debugging the errors I am getting in this example code. Can anyone help me get started? Thanks, Roger ftp
2012 Jun 06
1
Process XML files
Hello experts, Sorry for posting the SPlus related question here.. I have not found any solution yet after some attempts and hence, sending it to a wider spectrum of users! I was successful in processing files uing R's XML librariy. Thank you, Rxperts! I know there are libraries like XML and SPXML available in S-Plus. Could anyone please share examples of reading an xml file and save the