Tag Archives: cook

Lewandowsky Doubles Down

Last fall, Geoff Chambers and Barry Woods established beyond a shadow of a doubt that no blog post linking to the Lewandowsky survey had ever been published at the Skeptical Science (SKS) blog. Chambers reasonably suggested at the time that the authors correct the claim in the article to reflect the lack of any link […]

The SkS “Link” to the Lewandowsky Survey

Lewandowsky et al stated that “links were posted on 8 blogs (with a pro-science science stance but with a diverse audience”. Lewandowsky identified the eight blogs (in an email to Barry Woods) as: Skeptical Science, Tamino, Bickmore, the UU-UNO Clmate Change Task Force (trunity), Ill Considered, Mandia, Deltoid and Hot Topic. The relevant posts at […]

Nature Publishes Another Chladni Pattern

Anthony Watts draws attention to a new Nature article (LI et al 2011) purporting to reconstruct El Nino activity. The Supplementary Information shows a very obvious Chladni pattern, that went unnoticed by the Nature reviewers. The eigenvector shown here is what one would expect from principal components carried out on spatially autocorrelated data on a […]

More on the Divergence Problem

Two new things on the Divergence Problem. The IPCC First and Second Drafts did not contain a whisper of a mention of the divergence between ring widths and density in the second half of the 20th century, although this is rather an important issue. It came up at the NAS Panel and was completely unresolved […]

Cook et al. [2004]

What is ironic in Mann’s citation of Cook as authority that paleoclimatologists need not provide a range of verification statistics is that Cook et al. [2004] actually provide a suite of verification statistics, headed by the R2 statistic, which Mann et al. now object to.