I’ve adopted a graphic from the R-gallery to better illustrate the issues that we’re working on with the Mann proxy correlations. I think that this should help. Figure 1. Scatter plot of calculated gridcell correlations to Mann SI correlations, color coded by “proxy” class, together with marginal histograms. The dotted red lines show r=0.14, a … Continue reading Mann 2008 Correlations – A New Graphic