This dataset is extracted and synthesized from 49 primary studies which related to unsupervised defect prediction published between January 2000 and March 2018 and satisfied our inclusion criteria. It
Our defect dataset, comes from PROMISErepository. This data refers to open-source Java systems such as ant, camel, ivy, jedit, log4j, lucene, poi, synapse, velocity and xerces. We selected these datas
