Peter Dalgaard schrieb:

"Warnes, Gregory R" <[EMAIL PROTECTED]> writes:



as subclasses of either of the two the subclasses "AbscontDistribution" or
" DiscreteDistribution".


It is not at all clear to me what an 'AbscontDistribution' is. Perhaps you
are referring to a continuous distribution?



Absolutely continuous. This is slightly more restrictive than just having a continuous distribution function, effectively meaning that the density can be defined (with respect to Lebesgue measure on some interval, usually).

Counterexamples are pathological, the sort of thing you challenge 2nd
year math/stat students to think up, but I can't say that I can
remember what they'd look like.



I think the most common example is the Cantor distribution.
See for example:

http://www.sciencedaily.com/encyclopedia/Cantor_function

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