So exactly what is the deal with global warming? Is it something to really be worried about or not? I'm a physicist but not a climate scientist. I have a friend who has done a lot of work on climate science (he says that all the folks he knows think it is bunk) then I have a former professor who is a distinguished statistician Dr. Edward J. Wegman whose Wegman Report showed statistical deficiencies in the work of Michael E. Mann.
More recent work suggests that the data was cooked by selecting for data that made the case and rejecting other equally reasonable data. That's basically called fudging the result or cooking the data, cherry picking the data, or if you want to really be blunt: being dishonest.
SEE HERE and HERE for some treatment of this issue. The interesting thing is that if you use all the data the hockey stick effect goes away and the data actually goes down. So the whole global warming argument based on this fallacious bit of data starts to look like it is falling apart. Maybe that accounts for the fact that this Summer has been markedly cooler than usual here in the Shenandoah Valley.
Friday, October 2, 2009
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