search for: mystopword

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2011 Oct 04
1
Reading stopwords from a csv file
I am using the tm package to do text miniing: I have a huge list of stopwords (2000+) that are in a csv file. I read it as follows: stopwordlist <- read.csv("stopwords to be Removed 10042011.csv") myStopwords <- as.character(stopwordlist$stopwords) When try removing the stopwords using tr1=tm_map(tr1,removeWords,myStopwords) I am getting the following error: Error in gsub(sprintf("\\b(%s)\\b", paste(words, collapse = "|")), "", : internal error in compiling reg...
2012 Feb 26
2
tm_map help
...ly(tweets, as.data.frame)) myCorpus <- Corpus(VectorSource(df$text)) myCorpus <- tm_map(myCorpus, function(x) iconv(enc2utf8(x), sub = "byte")) myCorpus <- tm_map(myCorpus, tolower) myCorpus <- tm_map(myCorpus, removePunctuation) myCorpus <- tm_map(myCorpus, removeNumbers) myStopwords <- c(stopwords('english'), "available", "via") myCorpus <- tm_map(myCorpus, removeWords, myStopwords) dictCorpus <- myCorpus myCorpus <- tm_map(myCorpus, stemDocument) ################ERROR HAPPENS ON NEXT LINE################################## myCorpus &l...