#17440: variance wants to divide by zero on lists of length 1
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Reporter: jsrn | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: statistics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:2 jsrn]:
> Furthermore, the case `[]` has completely different "failure" semantics
(returns NaN)
I think raising an exception would be much better than returning `NaN`.
Yes, perhaps an appropriate exception would be better, I don't think 0 is
the right answer.
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Ticket URL: <http://trac.sagemath.org/ticket/17440#comment:3>
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