On data visualization

Data journalist David McCandless gave a brilliant talk about data analysis and visualization at this year's TED conference in Oxford, England.  What kind of stories will the newly collected electronic health data tell us about the human body and mind? If the nationwide EMR adoption proceeds according to plan, we will, for the first time, have enormous amount of health information available for analysis.  Data design and visualization will be key to our discovering and understanding of the often-hidden truths contained in raw data.