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Politics : The Trump Presidency -- Ignore unavailable to you. Want to Upgrade?


To: i-node who wrote (15883)4/22/2017 9:40:46 PM
From: Wharf Rat  Read Replies (1) | Respond to of 365623
 
" McIntyre & were able to flatly show any dataset input into Mann's model -- even NOISE -- would produce a hockey stick"

Nope
False Claims by McIntyre and McKitrick regarding the Mann et al
On Yet Another False Claim by McIntyre and McKitrick
=
The North Report was a 2006 report evaluating reconstructions of the temperature record of the past two millennia, providing an overview of the state of the science and the implications for understanding of global warming. It was produced by a National Research Council committee, chaired by Gerald North, at the request of Representative Sherwood Boehlert as chairman of the U.S. House of Representatives Committee on Science.

The North Report went through a rigorous review process,[4] and was published on 22 June 2006.[5] It concluded "with a high level of confidence that global mean surface temperature was higher during the last few decades of the 20th century than during any comparable period during the preceding four centuries", justified by consistent evidence from a wide variety of geographically diverse proxies, but "Less confidence can be placed in large-scale surface temperature reconstructions for the period from 900 to 1600".[6] It broadly agreed with the basic findings of the original MBH studies, which subsequently been supported by other reconstructions and proxy records, while emphasising uncertainties over earlier periods.[7] The principal component analysis methodology that McIntyre and McKitrick had contested had a small tendency to bias results so was not recommended—but it had little influence on the final reconstructions, and other methods produced similar results.[8][9]

North Report - Wikipedia



To: i-node who wrote (15883)4/23/2017 3:48:49 PM
From: combjelly  Respond to of 365623
 
We know, for an absolute fact, that McIntyre & McKitrick were able to flatly show any dataset input into Mann's model

Actually, we don't know that. Turns out, M&M made a lot of errors. And over the past decade has been debunked many times.

This, in fact, has been pointed out to you many times. Yet you ignore that fact.