Plot contingency table with #ggplot2 http://emilkirkegaard.dk/en/?p=5885 #rstatspic.twitter.com/TxgkNO8k7B
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.