This is pretty clear from the inclusion of Fabian, who would have
probably dropped out
of the window otherwise.
So as far as "truck-factor" goes, I think he is not actively maintaining
the project that much any more.
On 08/12/2015 09:24 AM, Guilherme Avelino wrote:
Hi Josef,
In our study we took the entire history.
2015-08-12 10:13 GMT-03:00 <josef.p...@gmail.com
<mailto:josef.p...@gmail.com>>:
On Wed, Aug 12, 2015 at 9:00 AM, Matthew Brett
<matthew.br...@gmail.com <mailto:matthew.br...@gmail.com>> wrote:
Hi,
On Wed, Aug 12, 2015 at 1:57 PM, Guilherme Avelino
<gavel...@gmail.com <mailto:gavel...@gmail.com>> wrote:
> As part of my PhD research on code authorship, we calculated
the Truck
> Factor (TF) of some popular GitHub repositories.
>
> As you probably know, the Truck (or Bus) Factor designates
the minimal
> number of developers that have to be hit by a truck (or
quit) before a
> project is incapacitated. In our work, we consider that a
system is in
> trouble if more than 50% of its files become orphan (i.e.,
without a main
> author).
Does this take the entire history into account, or is there a
rolling window?
My impression is that many developers get hit by jobs (not by
trucks) and have to largely drop out of the main development.
Josef
>
> More details on our work in this preprint:
https://peerj.com/preprints/1233
>
> We calculated the TF for scikit-learn and obtained a value of 7.
>
> The developers responsible for this TF are:
>
> Fabian Pedregosa - author of 22% of the files
> Gael varoquaux - author of 13% of the files
> Andreas Mueller - author of 12% of the files
> Olivier Grisel - author of 10% of the files
> Lars Buitinck - author of 10% of the files
> Jake Vanderplas - author of 6% of the files
> Vlad Niculae - author of 5% of the files
>
> To validate our results, we would like to ask scikit-learn
developers the
> following three brief questions:
>
> (a) Do you agree that the listed developers are the main
developers of
> scikit-learn?
>
> (b) Do you agree that scikit-learn will be in trouble if the
listed
> developers leave the project (e.g., if they win in the
lottery, to be less
> morbid)?
Wouldn't winning the lottery mean the developers would have _more_
time to devote to scikit-learn ?
:)
Matthew
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Prof. Guilherme Amaral Avelino
Universidade Federal do Piauí
Departamento de Computação
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