similar to: XML getNodeSet syntax for PUBMED XML export

Hello: The following code extracts the links to the daily transcripts of Canada's House Of Commons. 'links' is a matrix of URLs (ncol=1), each of which points to one day's transcripts. If you inspect the code for scrape(links[1]), you will find that periodically there appears an italicitze tag after a paragraph tag (<p some text ><i>Translation</i></p>.

Hi, I actually need to download pdfs through R code. The thing which I want to do is that, search for a paper in pubmed, which is possible by using GetPubMed function in the package "NCBI2R?". GetPubMed(searchterm, file = "", download = TRUE , showurl = FALSE, xldiv = ";", hyper = "HYPERLINK", MaxRet = 30000, sme = FALSE, smt = FALSE, quiet = TRUE,

Hi: I am trying to search PubMed abstracts which contains BOTH two terms: COL4A1 AND Ocular. I am using the following code: url= "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?" search = paste(url, "db=pubmed&term=COL4A1+AND+Ocular[abstract]&retmax=300", sep="") docId <- xmlTreeParse(getURL(paste(url, search, sep="")),

Hi: I am trying to query pubmed abstracts using the following syntax: url= "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?" search = paste(url, "db=pubmed&term=", queryTerm1, "+AND+", queryTerm2,"+OR+",queryTerm3, "+OR+", queryTerm4, "[abstract]&retmax=100&usehistory=y", sep="") docId <-

Hi, Why is the following retuning a nodset of length 0: > library(XML) > test <- xmlTreeParse( > "http://www.unimod.org/xml/unimod_tables.xml",useInternalNodes=TRUE) > getNodeSet(test,"//modifications_row") Thanks for any hint. Joh

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("

Mª Luz, si el comando de Carlos te devuelve 0 es que no hay NA's. Da igual que tus columnas sean caracteres o número. Lo que intuyo es que tienes celdas con la frase "NA" que interpretas como NA. Mandanos el summary de tu data.table y lo vemos... ----- Mensaje original ----- De: "MªLuz Morales" <mlzmrls en gmail.com> Para: "Carlos J. Gil Bellosta"