[SciPy-User] [Numpy-discussion] Weibull analysis ?

David Trémouilles david.trem@gmail....
Mon Nov 29 11:53:42 CST 2010

Thanks for this starting point Skipper !
What you mentioned is a small part of what I'm looking for.

Among other feature regarding Weibull analysis I'm interested in:
   - Type 1 right censored data Maximum likelihood estimator
   - Fisher matrix for confidence bound
   - Likelihood ratio bound
   - Parameter estimation of mixed weibull models
   - ...

If somebody already coded such tool and is eager to share...



Le 27/11/10 01:29, Skipper Seabold a écrit :
> On Fri, Nov 26, 2010 at 12:11 PM, David Trémouilles
> <david.trem@gmail.com>  wrote:
>> Hello,
>>    After careful Google searches, I was not successful in finding any
>> project dealing with Weibull analysis with neither python nor
>> numpy or scipy.
>> So before reinventing the wheel, I ask here whether any of you
>> have already started such a project and is eager to share.
> Not sure what you need, but I have some stub code in
> scikits.statsmodels to fit a linear regression model with a Weibull
> distribution.  It wouldn't be too much work to cleanup if this is what
> you're after.
> If you just want to fit a parametric likelihood to some univariate
> data you should be able to do this with scipy.stats.  Josef or James
> will know better the current state of this code but let us know if you
> any problems
> http://docs.scipy.org/scipy/docs/scipy-docs/tutorial/stats/continuous.rst/
> http://docs.scipy.org/scipy/docs/scipy-docs/tutorial/stats.rst/#stats
> Skipper
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