The Hockey Stick Illusion

Last month Judith Curry challenged folks to respond to Bishop Hill/Montford's book The Hockey Stick Illusion: Climategate and the Corruption of Science So I am laying down the gauntlet, this really needs to discussed and rebutted by the paleo researchers and the IPCC defenders. and In the context of the hockey stick wars, Montford clearly describes the three main critiques that MM had of MBH98,99: i) inappropriate use of centering in the principal component analysis; ii) stripbark bristlecones are not reliable as a proxy; iii) the R2 statistic needs to be used in the assessment of…