[Scipy-tickets] [SciPy] #1882: Computing variance of non-central t-distribution gives error

SciPy Trac scipy-tickets@scipy....
Fri Mar 29 17:03:13 CDT 2013


#1882: Computing variance of non-central t-distribution gives error
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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 Sytse):

 The k-th moment of a non-central t distribution does not exist if df ≤ k.
 So if df=1 (in your example), the mean and variance don't exist.

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Ticket URL: <http://projects.scipy.org/scipy/ticket/1882#comment:4>
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