Network-Based Analysis of Software Change Propagation
Table 3
Spearman's coefficient for three subject projects.
Projects
Centrality
The scope of change propagation of focus class
Findbugs ()
Degree
0.3841
0.6790**
0.2355
0.7294**
0.2534
0.6079**
0.7096**
0.5625**
Closeness
−0.0863
−0.2962**
−0.3017
−0.5201**
−0.4662**
−0.2428**
−0.1710
−0.1912**
Betweenness
0.2554
0.4567**
0.0982
0.3463
0.2313
0.3312**
0.3832**
0.2826**
PageRank
0.4713*
0.7421**
0.3949*
0.7902**
0.5705**
0.6254**
0.6491**
0.5903**
CIRank
0.5268*
0.8215**
0.5623**
0.8134**
0.5736**
0.7189**
0.7523**
0.7082**
Hibernate ()
Degree
0.3125**
0.3571**
0.6275**
0.2283**
0.3457**
0.3592**
0.3234**
0.5126**
Closeness
0.0811
0.0866
−0.2240**
0.0661
0.1292**
−0.1909**
−0.1217**
0.0189
Betweenness
0.1350
0.1607*
0.4854**
0.1143
0.1932**
0.2712**
0.2214**
0.2883**
PageRank
0.3538**
0.4069**
0.6937**
0.2950**
0.4157**
0.4216**
0.3302**
0.5090**
CIRank
0.4463**
0.4890**
0.7315**
0.3247**
0.4862**
0.5139**
0.4153**
0.5672**
Spring ()
Degree
0.5935**
0.5855**
0.6357**
0.5221**
0.2773**
0.4503**
0.6985**
0.5352**
Closeness
−0.2635**
−0.2258**
−0.2914**
−0.2934
−0.4422**
−0.1907**
−0.1237
−0.2392*
Betweenness
0.4048**
0.5085**
0.3015**
0.4769**
0.1567**
0.2876**
0.3964**
0.2486*
PageRank
0.6898**
0.6838**
0.6687
0.6970**
0.6918**
0.6874**
0.7542**
0.6524*
CIRank
0.7250**
0.7563**
0.6918
0.8073**
0.7519**
0.7348**
0.8124**
0.7351**
Note. Correlations larger than 0.05 are printed in boldface. Correlations are significant at the 0.01 level (2-tailed) and are marked by **. Correlation coefficients are significant at 0.05 level (2-tailed) and are marked by *.
