That's why there are always verification data held back, and checks against the removal of specific proxies or classes of proxies. (realclimate.org)
Our verification experts know how to obtain that hard - to - get verification data. (proformascreening.com)
Following MM05a, the first PCs of this process were then used as regressors in a calibration with the Northern Hemisphere mean from the MBH verification data grid and the RE of verification determined, for each Monte Carlo iteration. (climateaudit.org)