Research Article
An Empirical Study on Downstream Dependency Package Groups in Software Packaging Ecosystems
Table 6
Spearman correlation coefficients between the features of the focal package and the development of the DDG.
| | Features of focal package and size of DDG (correlation coefficient (p-value)) | Features of focal package and average number of releases of DDG (correlation coefficient (p-value)) | | Features | Cargo | CPAN | RubyGems | Cargo | CPAN | RubyGems |
| | Age | 0.17 (0.03) | 0.11 (0.00) | 0.25 (1.48e-22) | 0.16 (0.00) | 0.12 (0.00) | 0.10 (0.00) | | Number of stars | 0.26 (0.00) | 0.13 (0.00) | 0.42 (1.35e-63) | −0.09 (0.04) | 0.04 (0.27) | 0.01 (0.65) | | Number of forks | 0.35 (1.17e-06) | 0.16 (2.49e-05) | 0.38 (5.72e-51) | −0.05 (0.19) | 0.05 (0.17) | 0.04 (0.11) | | Rank | 0.54 (1.29e-15) | 0.26 (0.00) | 0.65 (2.24e-40) | 0.09 (0.04) | 0.03 (0.44) | 0.10 (0.00) | | Number of keywords | 0.10 (0.18) | 0.05 (0.16) | 0.03 (0.27) | −0.07 (0.35) | −0.07 (0.05) | −0.02 (0.52) | | Number of dependent repositories | 0.47 (1.02e-11) | 0.01 (0.87) | 0.50 (1.79e-22) | 0.18 (5.19e-11) | −0.05 (0.13) | 0.09 (0.05) | | Number of releases | 0.25 (0.00) | 0.13 (0.00) | 0.29 (2.46e-29) | −0.0 (0.13) | −0.02 (0.66) | 0.04 (0.13) |
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The correlation coefficient is not less than 0.20, highlighting a higher correlation using bold font.
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