Model

Weeks

R²

Prediction equation

I

26

0.091

3.731 + (−0.006) * Fix_docT + 0.242 * Fix_developer T

52

0.382

−7.316 + (−0.002) * Fix_docT + 0.159 * Fix_developerT + 0.584 * Fix_followerT

II

26

0.821

−2.755 + 1.39 * Fix_developerT + (−0.149) * Fix_followerT + 0.094 * Dy_commitT + (−0.092) * Dy_issueT + 0.916 * Dy_forkT

52

0.813

−2.412 + 0.254 * Fix_followerT + (0.104) * Dy_issueT + 0.803 * Dy_forkT