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Re: [Statistics] Port codes from Commons Math


HI Gimhana,

Sorry for the delay in response, but you posted this right before our
two-week Easter holiday, for which I was completely absent ; then I needed
a few days back at work to clean up all the mess. :)

Your overall goals look good to me. You have gone right to the heart of the
matter and propose to reinvent the statistics tools to make good use of the
Java 8 API. I think that's great and you should get started. Your goal of
eliminating dependencies on Commons-Math is also right.

I noticed this in the proposal:

*Covariance stats=
> IntStream.of(1,2,3).collect(Covariance::new,Covariance::accept,Covariance::combine);*


Can you explain a bit more what is happening with the method references
"accept" and "combine"?

Also this

*Week 2: Begin porting the code according to the dependency hierarchy
> identified. *
>

Sorry but I cannot see where you identify the dependency hierarchy. Are you
referring to your diagram?

Eric


On Mon, Mar 26, 2018 at 8:07 AM, Gimhana Nadeeshan <
gimhanadesilva.15@xxxxxxxxxxxxx> wrote:

> Hello devs,
>
> I have updated my draft proposal (Port codes from Commons Math
> <https://docs.google.com/document/d/1sqSa0hrYc2AD75RZyJRkeqCOBOqTO
> eMnPaBsE9U5YhU/edit?usp=sharing>)
> -Timeline added; before submitting the final at the Google site. Feel free
> to comment and give feedback to improve it.
>
> Best Regards,
> Gimhana.
>
> On 24 March 2018 at 17:35, Gimhana Nadeeshan <
> gimhanadesilva.15@xxxxxxxxxxxxx> wrote:
>
> > Hello devs,
> >
> >
> >> Note that some of the repositories included in that screen do
> >> not belong to "Commons":
> >>  * sling-*
> >>  * webservices-*
> >>  * xml-*
> >
> >
> > I'm working on it.(Still research on Kibble :-) )
> >
> > Botched alignments...
> >> "cloc" has several output formats from which you could produce
> >> nicer tables.
> >
> >
> > I'm extremely sorry. I'll fix it asap.
> >
> > Best Regards,
> > Gimhana
> >
> > On 23 March 2018 at 17:43, Gilles <gilles@xxxxxxxxxxxxxxxxxxxxx> wrote:
> >
> >> Hi Gimhana.
> >>
> >> On Thu, 22 Mar 2018 22:11:31 +0530, Gimhana Nadeeshan wrote:
> >>
> >>> Hello devs,
> >>>
> >>> By gone through @Gilles suggestions I found very interesting facts
> about
> >>> Commons projects.
> >>>
> >>> Feel free to check Kibble reports
> >>>
> >>> <https://demo.kibble.apache.org/dashboard.html?page=repos&su
> >>> bfilter=commons&author=true&from=1458585000&to=1521743399>
> >>> regarding these projects. It will be given a clear picture on the
> >>> progress
> >>> of projects.In the Commons Projects side it seems visible growth of
> >>> contributors and releases.
> >>>
> >>
> >> Note that some of the repositories included in that screen do
> >> not belong to "Commons":
> >>  * sling-*
> >>  * webservices-*
> >>  * xml-*
> >>
> >> There should be a way to filter them out.
> >>
> >> And I created a simple doc using the data collected from CLOC tool to
> get
> >>> an idea of commons projects. I think This kind of document will help
> new
> >>> volunteers to get a rough idea of the scope and the current status of
> >>> projects before go deeper.Histogram of Commons Projects.
> >>>
> >>> <https://docs.google.com/document/d/1qPWWnA9hWgKytLWI3A3rXu4
> >>> 7V8LSglgsV5hBxVnLiCI/edit?usp=sharing>
> >>>
> >>
> >> Botched alignments...
> >> "cloc" has several output formats from which you could produce
> >> nicer tables.
> >>
> >> Regards,
> >> Gilles
> >>
> >>
> >>
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> >>
> >>
> >
>