Created
March 11, 2016 16:40
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Example of Twitter Word Cloud Using R
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| library(twitteR) | |
| library(ROAuth) | |
| library(tm) | |
| library(wordcloud) | |
| my.key <- "xxx" | |
| my.secret <- "xxx" | |
| access.token <- "123-xxx" | |
| access.token.secret <- "xxx" | |
| setup_twitter_oauth(my.key, my.secret, access.token, access.token.secret) | |
| tweets <- homeTimeline(n = 800, sinceID = latest_tweet) | |
| timeline_list <- sapply(tweets, function(x) x$getText()) | |
| corpus <- Corpus(VectorSource(timeline_list)) | |
| corpus <- tm_map(corpus, | |
| content_transformer(function(x) iconv(x, to='UTF-8', sub='byte')), | |
| mc.cores=1) | |
| corpus <- tm_map(corpus, content_transformer(tolower)) | |
| corpus <- tm_map(corpus, content_transformer(removePunctuation)) | |
| corpus <- tm_map(corpus, content_transformer(removeNumbers)) | |
| corpus <- tm_map(corpus, content_transformer(function(x) removeWords(x, stopwords()))) | |
| wordcloud(corpus, min.freq=7) |
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got Error in get(arg) : object 'latest_tweet' not found at line "tweets <- homeTimeline(n = 800, sinceID = latest_tweet)"