A Simple NLP-based Approach to Support Onboarding and Retention in Open-Source Communities
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Successful open source communities are constantly looking for members and helping them to become active developers. One common approach for developer onboarding in open source projects is to let newcomers focus on relevant but easy-to-solve issues, which enables them to familiarize themselves with the code and the community. The first goal of this research is to automatically identify issues that newcomers resolved by analyzing the history of resolved issues. The second goal is to automatically identify issues that will be resolved by newcomers who are retained. We mined the issue trackers of three large open source projects and extracted natural language features from the title and description of resolved issues. In a series of experiments, we compared the accuracy of four supervised classifiers to address the above goals. The best classifier, Random Forest, achieved up to 91 (F1-score 72 newcomers addressed and resolved right after joining the project. Towards the second goal, the best classifier, Decision Tree, achieved a precision of 92 (F1-score 91 In a qualitative evaluation, we give insights on what textual features are perceived as helpful. Our approach can be used to automatically identify, label, and recommend issues for newcomers in open source software projects based solely on the text of the issues.
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