Automatic Core-Developer Identification on GitHub:
A Validation Study

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RQ3: Which metrics and network-construction methods are most accurate in classifying developers into core and peripheral?

Percentage of privileged+extended developers that are not part of the classification (individually for each project)

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all contributors
code contributors

Networks: all contributors
Accuracy assessment based on privileged+extended events
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-3months
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-6months
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-9months
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-12months
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-3months-sliding
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-6months-sliding
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-9months-sliding
privileged-extended-developers-not-part-of-classification-allcontributors-privileged+extended-12months-sliding

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Networks: code contributors
Accuracy assessment based on privileged+extended events
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-3months
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-6months
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-9months
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-12months
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-3months-sliding
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-6months-sliding
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-9months-sliding
privileged-extended-developers-not-part-of-classification-codecontributors-privileged+extended-12months-sliding

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