Name Repository Type KLOC Versions Years Programmers

JHotDraw SVN 273624 541 10 11

ArgoUML SVN 780824 16313 12 50

JEdit SVN 176560 9095 4 80

SweetHome 3D CVS 81541 4 13

HSQLDB SVN 263804 1891 9 27

Total - 1576353 27840 39 181

Project % of non- Refactorings

% of High Level

Refactorings

% of global Refactorings

Average Test

Coverage (%)

Refactoring frequency

LRS

JHotDraw 62 45 35

ArgoUML 71.25 30 30

JEdit 72 55

SweetHome 3D 61 48

HSQLDB 65 29

Total 68.13 36.17

Project Commits EmptyMessages

Mean Time

Between Commits (in hours)

JHotDraw 650 1 128.5

ArgoUML 16412 7 6.56

JEdit 17737 563 5.09

SweetHome 3D 2348 -

HSQLDB 3576 20 18.54

Total 38375 591 (1.5%)

ProjectDiff Refactoring Interval

Min Max Mean Min Max Mean

JHotDraw

ArgoUML

JEdit

SweetHome 3D

HSQLDB

Total

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