Hi Josef, In our study we took the entire history.
2015-08-12 10:13 GMT-03:00 <josef.p...@gmail.com>: > > > On Wed, Aug 12, 2015 at 9:00 AM, Matthew Brett <matthew.br...@gmail.com> > wrote: > >> Hi, >> >> On Wed, Aug 12, 2015 at 1:57 PM, Guilherme Avelino <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 >> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Scikit-learn-general mailing list >> Scikit-learn-general@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general >> > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Scikit-learn-general mailing list > Scikit-learn-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > > -- Prof. Guilherme Amaral Avelino Universidade Federal do Piauí Departamento de Computação
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