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US National Academy of Science CONDEMNS Global Warming Lies
On Nov 24, 6:12*am, "
wrote: On Nov 23, 6:56*pm, Andre Jute wrote: The Senate Committee under Senator Barton investigating this scandal appoint Edward Wegman, the most distinguished statistician in the US, probably in the world, to form a panel to advise it on Mann's credility and work. Wegman found Mann's credibility to be zero and his work to be a sham, for reasons we shall address below. I don't know if there is a "most distinguished statistician" award. *Edward Wegman, while prominent, does not really appear to be far and away the most distinguished. The wikipedia entry for Wegmanhttp://en.wikipedia.org/wiki/Edward_Wegman says Wegman was critical of Mann's approach, particularly the use of PCA; Wegman was not tasked to address the reality of global warming; Wegman accepts the instrumented recorded data as showing a rise since 1850 (it's only the paloclimate record that is under review here). It also says "At the hearing, Dr. Wegman indicated that the report had only been peer-reviewed by those he selected. " Perhaps you and Wikipedia want to read the original documments and not depend on press reports. which may or may not be significant, but is indicative of not really trying hard enough to insure a balanced report. If you had read the originals, you wouldn't be making silly comments like this above. The balance of the reports lay in their multiplicity. The National Academy of Science appointed a Panel under Dr Gerald North to defend Mann before the Senate. As we shall see in a moment, the NAS Panel under oath agreed in every detail with the Wegman condemnation of Mann. Realclimate says whether or not you use PCA doesn't make much difference: http://www.realclimate.org/index.php...he-missing-pie... "realclimate" is the site of Michael E Mann, the fraudulent "scientist" who concocted the hockey stick. Only in climate "science" is it standard practice to cite the accused criminal as the only permitted authority. Where do you get the gall from to expect us to swallow this crap, Weiner? *** Both Wegman and North condemned Mann's methods as at best incompetent. And your lie simply doesn't wash: Wegman condemned both Mann's method and Mann's results as, respectively, incompetent and misleading, and unfounded. Here is Wegman on Mann's PCA: Wegman's comprehensive indictment of Mann: 'The controversy of Mann’s methods lies in that the proxies are centered on the mean of the period 1902-1995, rather than on the whole time period. This mean is, thus, actually decentered low, which will cause it to exhibit a larger variance, giving it preference for being selected as the first principal component. The net effect of this decentering using the proxy data in MBH98 and MBH99 is to produce a “hockey stick” shape.' In plain English, just like McIntyre and McKittrick charged, Mann cooked the data so that the resulting graph would look like the desired hockey stick... Later Dr Wegman added that this was "politically convenient". And here is Wegman on Mann's results, clearly amounting to a total, contemptuous dismissal of Mann's Hockey Stick: 'Overall, our committee believes that Mann’s assessments that the decade of the 1990s was the hottest decade of the millennium and that 1998 was the hottest year of the millennium cannot be supported by his analysis.' How much more devastating can one scientist's judgement on another scientist's work be than such total condemnation of method and conclusion? And the North Panel, specifically constituted to defend Mann against Barton and Wegman (what sort of scientist needs an official delegation to defend him against democratic and scientific scrutiny?), under oath agreed with every word Wegman said, and wrote much the same in their own report, which you clearly haven't read, dear ignorant Ben Weiner. The National Academy of Science Panel, also known as the North Panel, found that: *** the principal components method by which Hockey Stick was achieved was flawed ***Mann's RE [reduction of error] tests are insufficient for statistical significance (i.e. the Hockey Stick has zero meaning) ***Mann's Hockey Stick depends on bristlecone proxies which are known to be unreliable ***Such strip bark forms should be “avoided” in reconstruction You must have got your information from the television rather than the official reports. You really should try going to the source data sometime, Weiner; maybe it's not too late for you to learn how a scientist behaves. Andre Jute Out of patience with this arrogant clown |
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