Displaying 16 results from an estimated 16 matches for "xpathsappli".
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xpathsapply
2009 Jan 23
1
XML package help
Please consider this:
<Manifest xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" >
<!-- eName : name of the element.
eValue : value of the element. -->
<OutputFilePath>./XYZ</OutputFilePath>
<FilesList>
<File>
<FileTypeId>10</FileTypeId>
2009 Dec 31
3
XML and RCurl: problem with encoding (htmlTreeParse)
Hi,
I'm trying to get data from web page and modify it in R. I have a
problem with encoding. I'm not able to get
encoding right in htmlTreeParse command. See below
> library(RCurl)
> library(XML)
>
> site <- getURL("http://www.aarresaari.net/jobboard/jobs.html")
> txt <- readLines(tc <- textConnection(site)); close(tc)
> txt <- htmlTreeParse(txt,
2009 Jun 23
1
How to find b entries using xPath?
We got all rows by:
library(XML)
doc =
htmlParse('http://www.statcan.gc.ca/daily-quotidien/090520/t090520b1-eng.htm')
rows = xpathSApply(doc, '//table/tbody/tr')
The last row is:
row_last = rows[15]
row_last
[[1]]
<tr><td id="t1stub17" class="stub1 RGBShade"><b>Unsmoothed composite
leading indicator</b></td>
<td
2009 Dec 03
3
Scraping a web page
I would like to be able to submit a list of URLs of various webpages and extract the "content" i.e. not the mark-up of those pages. I can find plenty of examples in the XML library of extracting links from pages but I cannot seem to find a way to extract the text. Any help would be greatly appreciated - I will not know the structure of the URLs I would submit in advance. Any
2012 Apr 12
3
Remove superscripts from HTML objects
Is there some way to remove superscripts from objects returned by
html/xmlParse (XML package)?
h <- "<html><p>Cat<sup>a</sup></p><p>Dog</p></html>"
doc <- htmlParse(h)
xpathSApply(doc, "//p", xmlValue)
[1] "Cata" "Dog"
I could probably remove the <sup> tags from the "h" object above,
2010 Aug 01
0
ScrapeR Unanticipated XML objects
Dear All,
I have come across a very surprising result as I have started to learn how
to use R to pull data from the web for analysis.
I am trying to isolate that table headers for the quarterly income
statement (qtrinc) that I pulled from Google finance. I executed the
following commands after installing the scrapeR package.
require(scrapeR)
2011 Oct 10
1
Text Mining with Facebook Reviews (XML and FQL)
Hello,
I am trying to use XML package to download Facebook reviews in the following
way:
require(XML)
mydata.vectors <- character(0)
Qword <- URLencode('#IBM')
QUERY <- paste('SELECT review_id, message, rating from review where message
LIKE %',Qword,'%',sep='')
Facebook_url = paste('https://api.facebook.com/method/fql.query?query=
2010 Jul 03
1
XML and RCurl: problem with encoding (htmlTreeParse)
Hi All,
First method:-
>library(XML)
>theurl <- "http://home.sina.com"
>download.file(theurl, "tmp.html")
>txt <- readLines("tmp.html")
>txt <- htmlTreeParse(txt, error=function(...){}, useInternalNodes =
TRUE)
>g <- xpathSApply(txt, "//p", function(x) xmlValue(x))
>head(grep(" ", g, value=T))
[1] " |
2009 May 20
2
Example for parsing XML file?
Hi,
I am trying to parse XML files and read them into R as a data frame,
but have been unable to find examples which I could apply
successfully.
I'm afraid I don't know much about XML, which makes this all the more
difficult. If someone could point me in the right direction to a
resource (preferably with an example or two), it would be greatly
appreciated.
Here is a snippet from one of
2009 Mar 02
2
Need help extracting info from XML file using XML package
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 <-
2010 Jan 10
1
xmlToDataFrame#Help!!!#follow-up
Dieter Menne pointed out that the (small) xml attachment didn't make it.
Here is an in-line version (see end of message). Let's hope it works
this time.
I'm struggling with interpreting XML files created by ADODB as
data.frames and I'm looking for advice.
Note:
This xlm contains a result set which comes from a rectangular data
array. I've been trying to play with
2017 Jul 10
0
Extract XMLAtrributeValue
Hi,
I am trying to extract an attribute value which is like this.
(e.g) class="whQuestion"
The 'extract' function prints this. But I am not sure how to get "whQuestion" from that. The type of 'x' in extract
is "character"
[1] "XMLAttributeValue"
class
"whQuestion"
attr(,"class")
extract <- function(x){
2018 May 23
0
Using R htmlParse() for manipulating URLs to access multiple pages
I am trying to scrape a manual from web. For privacy reasons, I cannot write here the exact URL, anyway, the structure is as follows:
https://home.lala.com/bibi/blabla/chapter_i_organization/101_contracts/whatever/,DanaInfo=intranet.lala.com+
https://home.lala.com/bibi/blabla/chapter_i_organization/125_bills/,DanaInfo=intranet.lala.com+
2008 Dec 17
1
Extract Data from a Webpage
Hi All:
I would like to extract the provider name, address, and phone number
from multiple webpages like this:
http://oasasapps.oasas.state.ny.us/portal/pls/portal/oasasrep.providersearch.take_to_rpt?P1=3489&P2=11490
Based on searching R-help archives, it seems like the XML package
might have something useful for this task. I can load the XML package
and supply the url as an argument to
2009 Sep 24
2
Downloading data from from internet
Hi all,
I want to download data from those two different sources, directly into R :
http://www.rateinflation.com/consumer-price-index/usa-cpi.php
http://eaindustry.nic.in/asp2/list_d.asp
First one is CPI of US and 2nd one is WPI of India. Can anyone please give
any clue how to download them directly into R. I want to make them zoo
object for further analysis.
Thanks,
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2013 Jan 22
2
Creating a Data Frame from an XML
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