Discovering Repetitive Code Changes in ML Systems

Patterns Groups That Have Been Found by R-CPATMiner

Pattern Group	Projects	Commits	Change Graphs	Total unique patterns	Total instances	Multi project patterns	Single project patterns	Links
Normal Mine								https://mledits.github.io/normal/directory.html
Super Mine								https://mledits.github.io/supermine/directory.html
Numpy	784	20826	35055	98	369	33(34%)	64(65%)	https://mledits.github.io/numpy/directory.html
TensorFlow								https://mledits.github.io/tensorflow/directory.html
src_super_mine	58	13555	30908	3513	12584	2203(63%)	1278(36%)	https://mledits.github.io/src_supermine/directory.html
src__mine								https://mledits.github.io/src_mine/directory.html
ICSE	951	163226	348681	28323	100866	17941(63%)	10271(36%)	https://mledits.github.io/icse_sp8/directory.html

Refactoring Kind	Evidences	Precision	True positives	Total manual validations
Add Parameter	Link	100.0%	160	160
Move Class	Link	100.0%	160	160
Rename Method	Link	98.75%	158	160
Remove Parameter	Link	97.52%	157	161
Move Method	Link	96.3%	156	162
Rename Parameter	Link	93.59%	146	156
Move And Rename Method	Link	88.08%	133	151
Rename Class	Link	99.2%	124	125
Move And Rename Class	Link	96.67%	116	120
Reorder Parameter	Link	98.11%	104	106
Extract Method	Link	97.03%	98	101
Extract Class	Link	98.82%	84	85
Push Down Method	Link	89.36%	84	94
Pull Up Method	Link	86.46%	83	96
Parameterize Variable	Link	87.23%	82	94
Merge Parameter	Link	91.07%	51	56
Extract Subclass	Link	100.0%	45	45
Extract Superclass	Link	95.24%	40	42
Extract And Move Method	Link	100.0%	37	37
Split Parameter	Link	92.59%	25	27
Inline Method	Link	85.71%	24	28
Extract Variable	Link	100.0%	10	10
Change Parameter Type	Link	90.0%	9	10
Change Variable Type	Link	100.0%	5	5
Move And Inline Method	Link	100.0%	1	1
Inline Variable	Link	in progress	0	0
Merge Variable	Link	in progress	0	0
Rename Attribute	Link	in progress	0	0
Rename Variable	Link	in progress	0	0
+Total		95	2092	2192