Local versus Global Models for Just-In-Time Software Defect Prediction

Table 1

The basic information of data sets.

Project	Period	Number of defective changes	Number of changes	% defect rate
BUG	1998/08/26∼2006/12/16	1696	4620	36.71
COL	2002/11/25∼2006/07/27	1361	4455	30.55
JDT	2001/05/02∼2007/12/31	5089	35386	14.38
MOZ	2000/01/01∼2006/12/17	5149	98275	5.24
PLA	2001/05/02∼2007/12/31	9452	64250	14.71
POS	1996/07/09∼2010/05/15	5119	20431	25.06