Discussion of: A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable?

TL;DR

This paper critically discusses the statistical methods used in temperature proxy reconstructions over the past millennium, questioning their reliability and robustness in climate change studies.

Contribution

It provides a detailed critique of existing statistical approaches in temperature reconstruction, highlighting potential biases and limitations.

Findings

Identifies key statistical issues in proxy-based temperature reconstructions

Highlights the uncertainty and variability in past climate estimates

Suggests improvements for future statistical analyses

Abstract

Discussion of "A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable?" by B.B. McShane and A.J. Wyner [arXiv:1104.4002]