"The RE reduction of error statistic is used in dendroclimatology and in the ‘hockey stick’ reconstruction of MBH98, where critical values greater than zero are claimed to indicate significance of the model. RE is claimed to be superior to the R2 statistic in WA06." —David Stockwell
WA06 — Wahl, Eugene R. and Caspar M. Ammann, 2006 (under review). Robustness of the Mann, Bradley, Hughes Reconstruction of Surface Temperatures: Examination of Criticisms Based on the Nature and Processing of Proxy Climate Evidence.
MBH98 — Mann, M.E., Bradley, R.S. and Hughes, M.K., 1998. Global-Scale Temperature Patterns and Climate Forcing Over the Past Six Centuries, Nature, 392, 779-787.
http://www.climateaudit.org/?p=655 , Discussion of Stockwell's amusing "toy model" based on MBH98