The authors wish to thank Dr. Tilmann Gneiting for helpful discussions on this paper, and Dr. Eric Grimit, Michael Polakowski, and J. McLean Sloughter for contributing software. Adrian Raftery’s work was supported by the DoD Multidisciplinary University Research Initiative (MURI) program administered by the Office of Naval Research under Grant N00014-01-10745. We also wish to thank Dr. Tom Hamill and an anonymous reviewer for their comments, which have greatly improved the paper.
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