R code for obtaining and analysing tweets from the 2011 meeting of the American Anthropological Association The code details ten steps in the analysis and visualisation of the tweets: 1. acquiring the raw Twitter data 2. calculating some basic statistics with the raw Twitter data 3. calculating some basic retweet statistics 4. calculating the ratio of retweets to tweets 5. calculating some basic statistics about URLs in tweets 6. basic text mining for token frequency and token association analysis 7. calculating senitment scores of tweets, including on subsets containing tokens of interest 8. hierarchical clustering of tokens based on multiscale bootstrap resampling 9. topic modelling the tweet corpus using latent Dirichlet allocation 10. network analysis of tweeters based on retweets Author: Ben Marwick Contact: http://faculty.washington.edu/bmarwick/how-contact-me Licence: http://creativecommons.org/licenses/by-nc-sa/2.0/ Date: Dec 2011