"twitter analysis in R clean tweets" Code Answer's
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twitter analysis in R clean tweets
MF
on May 24, 2020
df <- tm_map(df, tolower) Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
clean_tweet4 <- str_replace_all(clean_tweet3, "https://t.co/[a-z,A-Z,0-9]*","")
clean_tweet5 <- str_replace_all(clean_tweet4, "http://t.co/[a-z,A-Z,0-9]*","")Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
clean_tweet = gsub("&", "", unclean_tweet)
clean_tweet = gsub("(RT|via)((?:\\b\\W*@\\w+)+)", "", clean_tweet)
clean_tweet = gsub("@\\w+", "", clean_tweet)
clean_tweet = gsub("[[:punct:]]", "", clean_tweet)
clean_tweet = gsub("[[:digit:]]", "", clean_tweet)
clean_tweet = gsub("http\\w+", "", clean_tweet)
clean_tweet = gsub("[ \t]{2,}", "", clean_tweet)
clean_tweet = gsub("^\\s+|\\s+$", "", clean_tweet) Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
df <- tm_map(df, removeNumbers)Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
df <- tm_map(df, removePunctuation)Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
library(tidyverse)
clean_tweets <- function(x) {
x %>%
str_remove_all(" ?(f|ht)(tp)(s?)(://)(.*)[.|/](.*)") %>%
str_replace_all("&", "and") %>%
str_remove_all("[[:punct:]]") %>%
str_remove_all("^RT:? ") %>%
str_remove_all("@[[:alnum:]]+") %>%
str_remove_all("#[[:alnum:]]+") %>%
str_replace_all("\\\n", " ") %>%
str_to_lower() %>%
str_trim("both")
}
tweets %>% clean_tweetsSource: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
Error in stri_replace_all_regex(string, pattern, fix_replacement(replacement), :
Syntax error in regexp pattern. (U_REGEX_RULE_SYNTAX)Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
# Get rid of URLs
clean_tweet <- str_replace_all(clean_tweet, "http://t.co/[a-z,A-Z,0-9]*{8}","")Source: stackoverflow.com
twitter analysis in R clean tweets
MF
on May 24, 2020
#get rid of unnecessary spaces
clean_tweet <- str_replace_all(clean_tweet," "," ")
# Get rid of URLs
clean_tweet <- str_replace_all(clean_tweet, "http://t.co/[a-z,A-Z,0-9]*{8}","")
# Take out retweet header, there is only one
clean_tweet <- str_replace(clean_tweet,"RT @[a-z,A-Z]*: ","")
# Get rid of hashtags
clean_tweet <- str_replace_all(clean_tweet,"#[a-z,A-Z]*","")
# Get rid of references to other screennames
clean_tweet <- str_replace_all(clean_tweet,"@[a-z,A-Z]*","") Source: stackoverflow.com
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