Automated Parameter Blocking for Efficient Markov-Chain Monte Carlo Sampling 20 March 2015 $^{∗}$Corresponding Author dturek@berkeley.edu $^{1}$Department of Statistics University of California, Berkeley $^{2}$Department of Environmental Science, Policy, and Management University of California, Berkeley arXiv:1503.05621v1 [stat.CO] 19 Mar 2015 Daniel Turek ∗ 1 , $^{2}$, Perry de Valpine$^{2}$, Christopher J. Paciorek $^{1}$, Clifford Anderson-Bergman1 , 2