*3.1. Data Information*

Datasets 1 and 2 are derived from the online communication system (OCS) of ABC Software Co. and uses data accumulated over a 12-week period. Datasets 1 and 2 show that the cumulative number of failures at *t* = 1, 2, ··· , 12 is 14, 17, ··· , 81, and 11, 17, ··· , 81, respectively [14]. Dataset 3 is the test data of a medical record system consisting of 188 software titles and data for one of three releases. It shows that the cumulative number of failures is 90, 107, ··· , 204 for *t* = 1, 2, ··· , 17, respectively [36]. Table 2 shows the accumulated failure data for datasets 1, 2, and 3. We compare the fit between the software reliability models with two failure datasets obtained from OCS and one dataset from Lee et al. [29], which showed good performance as the dependent models (DPF).


