An Integrated Model for Information Retrieval Based Change Impact Analysis

Table 1

Overview of the software systems employed in the case study.

System	Version	Lines of code	Number of methods	Number of change requests	Average number of gold sets for each change request
JEdit	4.3	103,896	6,413	272	4
muCommander	0.8.5	76,649	8,187	92	8
JabRef	2.6	74,182	4,607	40	7