[SciPy-dev] Warning about remaining issues in stats.distributions ?
Tue Dec 2 22:12:58 CST 2008
On Mon, Dec 1, 2008 at 8:06 AM, <firstname.lastname@example.org> wrote:
> There are still some known failures or methods, that don't work very
> well for some distributions:
> * skew. kurtosis: a few remaining incorrect results, no exact test available
> * entropy: returns nan in some cases, correctness of values not tested
> * fit: does not converge, or does not estimate correctly for some distributions,
> this is expected since maximum likelihood does not always work
> * distributions that have problems for some range of parameters
> * incorrect random number generator for one discrete distribution
> Is it useful to put a warning about these issues in
> stats.distributions in the release?
It would be great to add something like this to the docstrings (as
long as you weren't proposing to raise a warning).
> Per Brodtkorb has an improved version of distributions.py with an
> additional estimation
> procedure, which we can discuss as an enhancement after 0.7 is out of
> the way, if there is
> an interest in this.
That would be great. Once I create the 0.7.x branch, the trunk will
be open for 0.8 development. Hopefully we can get this in ASAP in the
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