Research Article
An Empirical Study on Downstream Dependency Package Groups in Software Packaging Ecosystems
Table 7
Spearman correlation coefficients between features of the focal package and the development of the CDDG.
| | Features of focal package and size of CDDG (correlation coefficient (p-value)) | Features of focal package and average number of releases of CDDG (correlation coefficient (p-value)) | Features | Cargo | CPAN | RubyGems | Cargo | CPAN | RubyGems |
| Age | 0.26 (9.64e-10) | 0.16 (0.03) | 0.40 (3.59e-14) | 0.49 (9.34e-13) | 0.24 (3.42e-10) | 0.20 (0.00) | Number of stars | 0.43 (9.02e-5) | 0.23 (0.00) | 0.49 (1.37e-21) | 0.16 (0.03) | 0.25 (0.00) | 0.15 (0.01) | Number of forks | 0.43 (2.19e-24) | 0.26 (0.00) | 0.50 (2.67e-22) | 0.19 (0.04) | 0.30 (3.66e-05) | 0.18 (0.00) | Rank | 0.72 (1.42e-85) | 0.47 (3.58e-40) | 0.71 (1.97e-222) | 0.38 (1.37e-07) | 0.34 (2.49e-06) | 0.39 (1.30e-13) | Number of keywords | 0.01 (0.73) | 0.11 (0.16) | 0.23 (2.97e-05) | 0.14 (0.06) | 0.33 (5.61e-6) | 0.02 (0.73) | Number of dependent repositories | 0.56 (2.27e-44) | 0.11 (0.00) | 0.61 (3.91e-148) | 0.49 (4.94e-13) | 0.04 (0.19) | 0.48 (6.10e-21) | Number of releases | 0.41 (1.89e-22) | 0.20 (0.01) | 0.44 (1.22e-16) | 0.19 (0.01) | 0.17 (0.03) | 0.23 (3.32e-05) |
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The correlation coefficient is not less than 0.20, highlighting a higher correlation using bold font.
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