Table 3 Correlation analysis

Degree

0.441

0.090

0.383

0.173

0.393

0.219

BiRank-Avg

0.402

−0.014

0.442

0.091

0.462

0.016

BiRank-Add

0.398

−0.022

0.422

−0.062

0.487

0.030

PageRank-Avg

0.430

−0.116

0.450

−0.027

0.498

−0.035

PageRank-Add

0.357

−0.111

0.419

−0.067

0.475

−0.004

MPR-Issue

0.350

0.113

0.437

0.160

0.458

0.202

MPR-Commit

0.464

−0.066

0.459

−0.013

0.516

0.017

M-BiRank-Issue

0.374

0.057

0.423

0.068

0.447

0.273

M-BiRank-Commit

0.468

0.152

0.459

0.261

0.541

0.143