Prevalence of tweets about Depression.

2016-03-16T00:04:30Z (GMT) by Chao Yang Padmini Srinivasan
<p>X axis day -200 to day +300 around Day 0. Y axis: Prevalence of tweets about Depression calculated using Eqs (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0150881#pone.0150881.e002" target="_blank">1</a>) and (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0150881#pone.0150881.e003" target="_blank">2</a>). The left panel shows trends for S (orange line) and D (blue line) groups while the right panel shows trends for S = >D (orange to blue line) and D = >S (blue to orange) groups.</p>