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zunman/UPDATED_tweets_removeRtUrlMentions.R

Created August 5, 2016 22:17
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UPDATED_tweets_removeRtUrlMentions.R
#Remove RTs and urls
CaseSensitive_FilterTerms <- c("RT", "http")
filter_regex<- paste(CaseSensitive_FilterTerms, collapse = "|")
df <- filter(df, !grepl(filter_regex, df$text))
#remove mentions. (only remove tweets that start with @)
df$noMentions <- 0 #add new temporary column
df$noMentions <- substr(c(df$text),0,1)
df <- filter(df, !grepl(c("@"), df$noMentions))
df$noMentions <- NULL #remove temporary column added in line7
write.csv(df, file = "files/tweets_noRtUrl_noMentions.csv")
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