The second page (mmo-champion.com) doesn't contain a <table> node. To scrape the data from the page, you will have to explore its HTML structure.
D. On 6/14/12 9:31 AM, Moon Eunyoung wrote: > Hi R experts, > > I have been playing with library(XML) recently and found out that > readHTMLTable workls flawlessly for some website, but it does give me an > error like below > > ... Error in function (classes, fdef, mtable) : > unable to find an inherited method for function "readHTMLTable", for > signature "NULL" > let's say..for example, this code works fine > > a <-"http://www.zam.com/forum.html?forum=21&p=2"; > table_a <- readHTMLTable(a, header = TRUE, which = 1, stringsAsFactors = > FALSE) > > but, this website gives me an error - > > b <-"http://www.mmo-champion.com/forums/266-General-Discussions/page2"; > table_b <- readHTMLTable(b, header = TRUE, which = 1, stringsAsFactors = > FALSE) > > Error in function (classes, fdef, mtable) : > unable to find an inherited method for function "readHTMLTable", for > signature "NULL" > I think this is due to the structure of the website but i'm not very > familiar with HTML file, so I'm curious what part of HTML file makes this > happen. (Also it will be great (!) if someone can point out how to output > the second example (like the format that first example outputs..) without > an error > > Thanks, > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
