Created
January 22, 2011 22:26
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Function takes a string as parameter and returns the approximate number of Google search results containing that string
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| require(RCurl) | |
| require(XML) | |
| google.counts<-function(s){ | |
| search.url<-paste("http://www.google.com/search?q=",gsub(" ","+",s),sep="") | |
| search.html<-getURL(search.url) | |
| parse.search<-htmlTreeParse(search.html,useInternalNodes = TRUE) | |
| search.nodes<-getNodeSet(parse.search,"//div[@id='resultStats']") | |
| search.value<-strsplit(xmlValue(search.nodes[[1]])," ",fixed=TRUE)[[1]][2] | |
| return(as.numeric(gsub(",","",search.value,fixed=TRUE))) | |
| } |
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