Discussions on Fernhead and Prangle (2012)
  Two contributions to the discussion of Fearnhead P. and D. Prangle (2012). Constructing summary statistics for approximate Bayesian computation: Semi-automatic approx- imate Bayesian computation, J. Roy. Statist. Soc. B, 74 (3). 
D. J. Nott, Y. Fan and S. A. Sisson
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