Source:2702Holly Hacker, Paul Overberg, Larry Fenn
Affiliation:Dallas Morning News; USA Today; Associated Press
Sometimes you have too much data -- scores or hundreds of characteristics about the people or places you're analyzing. Central measures like average or median are meaningless or absurd -- like who's the average voter? Hear how journalists use better ways, from indexes to regressions to even more powerful techniques like principal components analysis -- to find meaning in rich data.