And Louisiana is the saddest place on earth.
Posted on the OT last night, and seems obviously ridiculous, but CNN ran it this afternoon anyway. Original article
The researchers coded each tweet for its happiness content, based on the appearance and frequency of words determined by Mechanical Turk workers to be happy (rainbow, love, beauty, hope, wonderful, wine) or sad (damn, boo, ugly, smoke, hate, lied). While the researchers admit their technique ignores context, they say that for large datasets, simply counting the words and averaging their happiness content produces "reliable" results.
No. Definitely no problem with those terms. The graphs in the link have the complete lists.