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New Strategy From the PRISON (http://www.lifl.fr/IPD/ipd.frame.html) #720

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AdamPohl
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implemented 'Worse and worse' strategy as suggested in #379. Made this strategy during the PyconUK sprint yesterday.

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Thanks @Huaraz2, there are some merge conflict markers left over.

.. automodule:: axelrod.strategies.worseandworse
:members:
:undoc-members:
=======
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There's a merge conflict here.

<<<<<<< HEAD
.. [Prison] LIFL (1998) DIP - page principale. Available at: http://www.lifl.fr/IPD/ipd.frame.html (Accessed: 19 September 2016).
=======
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And a merge conflict here.

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fixed in latest commit.

@@ -18,4 +18,8 @@ documentation.
.. [Stewart2012] Stewart, a. J., & Plotkin, J. B. (2012). Extortion and cooperation in the Prisoner’s Dilemma. Proceedings of the National Academy of Sciences, 109(26), 10134–10135. http://doi.org/10.1073/pnas.1208087109
.. [Szabó1992] Szabó, G., & Fáth, G. (2007). Evolutionary games on graphs. Physics Reports, 446(4-6), 97–216. http://doi.org/10.1016/j.physrep.2007.04.004
.. [Tzafestas2000] Tzafestas, E. (2000). Toward adaptive cooperative behavior. From Animals to Animals: Proceedings of the 6th International Conference on the Simulation of Adaptive Behavior {(SAB-2000)}, 2, 334–340.
.. [PRISON1998] LIFL (1998) PRISON. Available at: http://www.lifl.fr/IPD/ipd.frame.html (Accessed: 19 September 2016).
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Looks like you deleted this line but this is in the master branch so best go with it.

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Not quite sure why the doc tests are failing

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Could you adjust the doctests in lines 50 and 84 of docs/tutorials/advanced/classification_of_strategies.rst ?

Just increase both of those expected counts by 1 as they are affected by your new strategy and causing the the doctest to fail.

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I believe the appveyor failure has been fixed on master (it's a particular hypothesis test case), could you rebase?

The travis one is a real failure it seems.

The

if randint(0, expected_length) < (current_round):
return Actions.D
return Actions.C
except:
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I haven't reviewed the strategy properly (once all tests are sorted I will) but this general except is not great: better to catch the actual error. Also, not sure why you're hardcoding 200, is that just for some tests when the match_attributes isn't passed? I think I'd prefer a different default behaviour there, perhaps just cooperate or defect or randomly cooperate or defect...

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@AdamPohl AdamPohl Sep 25, 2016

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@drvinceknight would you prefer it to be an if/else statement? The reason why travis is failing is because random.seed(1) and random.seed(2) are different for python 2.7 and python 3

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3 participants