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robertogreco : misleadingwithstatistics   1

Wolfram Blog : Stock Market Returns by Presidential Party
"The New York Times recently published an “Op-Chart” by Tommy McCall on its Opinion page showing what your returns would have been had you started with $10,000 in 1929 and invested it in the stock market, but only during the administrations of either Democratic or Republican presidents. His calculations showed that if you had invested only during Republican administrations you would now have $11,733 while if you had invested only during Democratic administrations you would now have $300,671. Twenty-five times as much! That’s a pretty dramatic difference, but does it stand up to a closer look? Is it even mathematically plausible that you could have essentially no return on your investment at all over nearly 80 years, just by choosing to invest only during Republican administrations? To answer these questions, I of course turned to Mathematica."
politics  economics  democrats  republicans  history  investing  finance  charts  datamining  us  data  infographics  misleadingwithstatistics 
october 2008 by robertogreco

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