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?

Accuracy of the classification methods (individually for each project)

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Unsimplified, undirected, all contributors
Unsimplified, directed, all contributors
Simplified, undirected, all contributors
Simplified, directed, all contributors
Unsimplified, undirected, code contributors
Unsimplified, directed, code contributors
Simplified, undirected, code contributors
Simplified, directed, code contributors

Networks: unsimplified, undirected, all contributors
Accuracy assessment based on privileged events
classification-results-unsimplified-undirected-allcontributors-privileged-3months
classification-results-unsimplified-undirected-allcontributors-privileged-6months
classification-results-unsimplified-undirected-allcontributors-privileged-9months
classification-results-unsimplified-undirected-allcontributors-privileged-12months
classification-results-unsimplified-undirected-allcontributors-privileged-3months-sliding
classification-results-unsimplified-undirected-allcontributors-privileged-6months-sliding
classification-results-unsimplified-undirected-allcontributors-privileged-9months-sliding
classification-results-unsimplified-undirected-allcontributors-privileged-12months-sliding

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Networks: unsimplified, directed, all contributors
Accuracy assessment based on privileged events
classification-results-unsimplified-directed-allcontributors-privileged-3months
classification-results-unsimplified-directed-allcontributors-privileged-6months
classification-results-unsimplified-directed-allcontributors-privileged-9months
classification-results-unsimplified-directed-allcontributors-privileged-12months
classification-results-unsimplified-directed-allcontributors-privileged-3months-sliding
classification-results-unsimplified-directed-allcontributors-privileged-6months-sliding
classification-results-unsimplified-directed-allcontributors-privileged-9months-sliding
classification-results-unsimplified-directed-allcontributors-privileged-12months-sliding

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Networks: Simplified, undirected, all contributors
Accuracy assessment based on privileged events
classification-results-simplified-undirected-allcontributors-privileged-3months
classification-results-simplified-undirected-allcontributors-privileged-6months
classification-results-simplified-undirected-allcontributors-privileged-9months
classification-results-simplified-undirected-allcontributors-privileged-12months
classification-results-simplified-undirected-allcontributors-privileged-3months-sliding
classification-results-simplified-undirected-allcontributors-privileged-6months-sliding
classification-results-simplified-undirected-allcontributors-privileged-9months-sliding
classification-results-simplified-undirected-allcontributors-privileged-12months-sliding

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Networks: Simplified, directed, all contributors
Accuracy assessment based on privileged events
classification-results-simplified-directed-allcontributors-privileged-3months
classification-results-simplified-directed-allcontributors-privileged-6months
classification-results-simplified-directed-allcontributors-privileged-9months
classification-results-simplified-directed-allcontributors-privileged-12months
classification-results-simplified-directed-allcontributors-privileged-3months-sliding
classification-results-simplified-directed-allcontributors-privileged-6months-sliding
classification-results-simplified-directed-allcontributors-privileged-9months-sliding
classification-results-simplified-directed-allcontributors-privileged-12months-sliding

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Networks: unsimplified, undirected, code contributors
Accuracy assessment based on privileged events
classification-results-unsimplified-undirected-codecontributors-privileged-3months
classification-results-unsimplified-undirected-codecontributors-privileged-6months
classification-results-unsimplified-undirected-codecontributors-privileged-9months
classification-results-unsimplified-undirected-codecontributors-privileged-12months
classification-results-unsimplified-undirected-codecontributors-privileged-3months-sliding
classification-results-unsimplified-undirected-codecontributors-privileged-6months-sliding
classification-results-unsimplified-undirected-codecontributors-privileged-9months-sliding
classification-results-unsimplified-undirected-codecontributors-privileged-12months-sliding

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Networks: unsimplified, directed, code contributors
Accuracy assessment based on privileged events
classification-results-unsimplified-directed-codecontributors-privileged-3months
classification-results-unsimplified-directed-codecontributors-privileged-6months
classification-results-unsimplified-directed-codecontributors-privileged-9months
classification-results-unsimplified-directed-codecontributors-privileged-12months
classification-results-unsimplified-directed-codecontributors-privileged-3months-sliding
classification-results-unsimplified-directed-codecontributors-privileged-6months-sliding
classification-results-unsimplified-directed-codecontributors-privileged-9months-sliding
classification-results-unsimplified-directed-codecontributors-privileged-12months-sliding

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Networks: Simplified, undirected, code contributors
Accuracy assessment based on privileged events
classification-results-simplified-undirected-codecontributors-privileged-3months
classification-results-simplified-undirected-codecontributors-privileged-6months
classification-results-simplified-undirected-codecontributors-privileged-9months
classification-results-simplified-undirected-codecontributors-privileged-12months
classification-results-simplified-undirected-codecontributors-privileged-3months-sliding
classification-results-simplified-undirected-codecontributors-privileged-6months-sliding
classification-results-simplified-undirected-codecontributors-privileged-9months-sliding
classification-results-simplified-undirected-codecontributors-privileged-12months-sliding

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Networks: Simplified, directed, code contributors
Accuracy assessment based on privileged events
classification-results-simplified-directed-codecontributors-privileged-3months
classification-results-simplified-directed-codecontributors-privileged-6months
classification-results-simplified-directed-codecontributors-privileged-9months
classification-results-simplified-directed-codecontributors-privileged-12months
classification-results-simplified-directed-codecontributors-privileged-3months-sliding
classification-results-simplified-directed-codecontributors-privileged-6months-sliding
classification-results-simplified-directed-codecontributors-privileged-9months-sliding
classification-results-simplified-directed-codecontributors-privileged-12months-sliding

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