On 2013-06-19 00:01, Jeroen Roovers wrote:
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>  David Garcia, Marcelo Serrano Zanetti and Frank Schweitzer
> Chair of Systems Design – www.sg.ethz.ch – ETH Zurich
> 
> 
>  = Abstract
> 
> We analyze the relation between the emotions and the activity of
> contributors in the Open Source Software project Gentoo. Our case study
> builds on extensive data sets from the project’s bug tracking platform
> bugzilla, to quantify the activity of contributors, and its mail
> archives, to quantify the emotions of contributors by means of
> sentiment analysis. The Gentoo project is known for a considerable drop
> in development performance after the sudden retirement of a central
> contributor. We analyze how this event correlates with the negative
> emotions, both in bilateral email discussions with the central
> contributor, and at the level of the whole community of contributors.
> We then extend our study to consider the activity patters on Gentoo
> contributors in general. We find that contributors are more likely to
> become inactive when they express strong positive or negative emotions
> in the bug tracker, or when they deviate from the expected value of
> emotions in the mailing list. We use these insights to develop a
> Bayesian classifier that detects the risk of contributors leaving the
> project. Our analysis opens new perspectives for measuring online
> contributor motivation by means of sentiment analysis and for real-time
> predictions of contributor turnover in Open Source Software projects.
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> 
> http://arxiv.org/abs/1306.3612
> 
> 
> Merry reading,
>      jer
> 

So, there ya go. Start taking happy pills and be more positive and motivating!

-- 
Mr. Aaron W. Swenson
Gentoo Linux Developer
Email : titanofold@gentoo.org
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