Research Article
An Empirical Study on the Impact of Duplicate Code
Table 1
Summarization of related work.
| | How to investigate | Impact of duplicate code |
| | Kim et al. [5] | Using clone linages and clone genealogies | A part of duplicate code is negative | | Kapser and Godfrey [4] | Build several patterns of duplicate code and discuss about them | Nonnegative | | Bettenburg et al. [6] | Investigate inconsistent changes to duplicate code at the release revel | Nonnegative | | Monden et al. [7] | Calculate the number of revisions on every file | Negative | | Lozano et al. [8] | Count the number of modifications on methods including duplicate code | Negative | | Lozano and Wermelinger [9] | Using work | A part of duplicate code is negative | | Lozano et al. [10] | Using changeability (the ease of modification) | Negative but not so high | | Krinke [11] | Using stability (line level) | Nonnegative | | Göde and Harder [12] | Using stability (token level) | Nonnegative | | Krinke [13] | Using ages | Nonnegative | | Rahman et al. [14] | Investigate the relationship between duplicate code and bugs | Nonnegative | | Göde and Koschke [15] | Count the number of changes on clone genealogies | A part of duplicate code is negative |
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