1. 21 Dec, 2013 1 commit
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  18. 18 Nov, 2011 1 commit
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  22. 24 Aug, 2011 1 commit
    • Tiago Peixoto's avatar
      Several improvements to random_rewire() / random_graph() · 8240714e
      Tiago Peixoto authored
      This introduces several simplifications and corrections to the graph
      rewire algorithm, to guarantee unbiased sampling.
      
      Now a move is outright rejected if it produces a
      self-loop/parallel-edge, instead of retried. This also adds a
      "non-sweep" mode, where edges are rewired randomly, possibly with
      repetition.
      
      The edge moves are now simplified to the target of the edges only,
      since swaping sources is redundant.
      
      The number of iterations can now be explicitly modified, so it is not
      necessary to call the function more than once, and it is emphasized in
      the documentation that only after sufficiently many iterations can the
      graph be guaranteed to be fully mixed.
      8240714e
  23. 06 May, 2011 1 commit
    • Tiago Peixoto's avatar
      Improve price_network() seeding semantics · c11b6af7
      Tiago Peixoto authored
      Now, if 'm' is larger than the seed graph, it is set to the size of the
      seed graph, and is increased progressively until it matches the desired
      value. This removes the need to start with a random seed graph of the
      appropriate size.
      
      This also includes modifications which make the code more robust
      against parameter choices which don't make much sense, e.g. lead to
      negative probabilites.
      c11b6af7
  24. 10 Feb, 2011 1 commit
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  28. 13 Nov, 2010 4 commits
  29. 10 Oct, 2010 1 commit
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  31. 25 Jul, 2010 1 commit