An Integrated Model for Information Retrieval Based Change Impact Analysis

Table 2

Precision (), recall (), and harmonic mean () results of ICIA and the baseline approach for the three software systems considered.

Cut point	50			100			150			200
jEdit
Accuracy	P	R	F	P	R	F	P	R	F	P	R	F
LSI (%)	8.51	22.76	12.39	3.92	17.28	6.39	3.13	17.46	5.31	3.51	30.38	6.30
ICIA (%)	10.12	19.69	19.69	6.16	35.05	10.48	5.23	39.33	9.23	4.12	45.43	7.56
muCommander
Accuracy	P	R	F	P	R	F	P	R	F	P	R	F
LSI (%)	11.28	11.55	11.41	3.92	17.28	6.39	3.67	27.68	6.48	3.05	34.33	5.60
ICIA (%)	22.33	22.29	22.31	9.86	28.17	14.61	5.72	34.22	9.80	4.23	40.58	7.66
JabRef
Accuracy	P	R	F	P	R	F	P	R	F	P	R	F
LSI (%)	10.78	5.82	7.56	8.08	16.22	10.79	4.95	16.17	7.58	4.51	22.69	7.53
ICIA (%)	24.98	24.82	24.90	9.68	23.64	13.74	7.21	27.22	11.40	4.80	23.03	7.95