摘要：
PRESENTATIONSBYKEVIN PURDYPie charts look cooler than other kinds of charts. They're based on pie, after all, and seem less accountant-like than bars, bubbles, and lines. They are, however, often a very wrong way to represent subtle but important differences.Image viaWikipedia.Revolutions, a blo 阅读全文
2013年2月21日
