[Scipy-tickets] [SciPy] #1880: folded normal in scipy.stats.distributions does not accept zero parameter

SciPy Trac scipy-tickets@scipy....
Mon Apr 1 14:57:40 CDT 2013


#1880: folded normal in scipy.stats.distributions does not accept zero parameter
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 Reporter:  Sytse        |       Owner:  rgommers   
     Type:  defect       |      Status:  new        
 Priority:  normal       |   Milestone:  Unscheduled
Component:  scipy.stats  |     Version:  0.11.0     
 Keywords:               |  
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Comment(by josefpktd):

 for fitting if -c is allowed: I guess convergence is not any harder than
 without it, but if -c and c are both minimizing parameters, then which one
 we will get back depends on the search path in the optimization.

 Unique parameterization is nicer, because you always get the same solution
 (up to numerical problems).

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Ticket URL: <http://projects.scipy.org/scipy/ticket/1880#comment:4>
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