ref: https://pyod.readthedocs.io/en/latest/pyod.models.html#all-models
1. Imports
import pandas as pd
import numpy as np
import sklearn
import pickle
import time
import datetime
/tmp/ipykernel_3734844/761229760.py:1: DeprecationWarning:
Pyarrow will become a required dependency of pandas in the next major release of pandas (pandas 3.0),
(to allow more performant data types, such as the Arrow string type, and better interoperability with other libraries)
but was not found to be installed on your system.
If this would cause problems for you,
please provide us feedback at https://github.com/pandas-dev/pandas/issues/54466
import pandas as pd
import warnings
warnings.filterwarnings('ignore' )
with open ('fraudTrain.pkl' , 'rb' ) as file :
fraudTrain = pickle.load(file )
2.
pyod(* pyod_preprocess(fraudTrain, 10 ))
0
ABOD
4.273217
0.994240
0.000000
0.000000
0.000000
0.500000
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
1
COPOD
0.084263
0.992333
0.335526
0.337748
0.336634
0.666937
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
2
ECOD
0.016717
0.990158
0.125874
0.119205
0.122449
0.557205
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
3
GMM
0.102247
0.992333
0.335526
0.337748
0.336634
0.666937
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
4
HBOS
0.838029
0.992485
0.000000
0.000000
0.000000
0.499118
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
5
IForest
0.589653
0.992485
0.340278
0.324503
0.332203
0.660429
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
6
INNE
2.065439
0.992447
0.342282
0.337748
0.340000
0.666994
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
7
KDE
181.919654
0.991265
0.303030
0.397351
0.343840
0.696028
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
8
KNN
0.091884
0.991875
0.281690
0.264901
0.273038
0.630494
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
9
LODA
0.246935
0.992485
0.000000
0.000000
0.000000
0.499118
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
10
LOF
0.175358
0.988556
0.000000
0.000000
0.000000
0.497142
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
11
MAD
0.004002
0.971657
0.141646
0.774834
0.239509
0.873816
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
12
MCD
0.018051
0.992333
0.335526
0.337748
0.336634
0.666937
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
13
OCSVM
438.916690
0.990692
0.281690
0.397351
0.329670
0.695740
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
14
PCA
0.005662
0.992333
0.335526
0.337748
0.336634
0.666937
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
15
ROD
5.457949
0.988098
0.000000
0.000000
0.000000
0.496911
False
pyod
0.005808
78643
[amt]
0.005824
26215
0.00576
None
pyod(* pyod_preprocess(fraudTrain, 9 ))
0
ABOD
5.567394
0.994026
0.000000
0.000000
0.000000
0.500000
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
1
COPOD
0.092203
0.993134
0.413333
0.356322
0.382716
0.676641
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
2
ECOD
0.018878
0.990559
0.174194
0.155172
0.164134
0.575376
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
3
GMM
0.100464
0.993271
0.421429
0.339080
0.375796
0.668141
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
4
HBOS
0.954457
0.993408
0.000000
0.000000
0.000000
0.499689
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
5
IForest
0.682357
0.993305
0.424460
0.339080
0.376997
0.668159
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
6
INNE
3.322844
0.991589
0.267974
0.235632
0.250765
0.615882
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
7
KDE
232.400681
0.991692
0.322917
0.356322
0.338798
0.675916
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
8
KNN
0.103302
0.992275
0.335484
0.298851
0.316109
0.647647
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
9
LODA
0.350403
0.993408
0.000000
0.000000
0.000000
0.499689
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
10
LOF
0.207018
0.988808
0.000000
0.000000
0.000000
0.497375
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
11
MAD
0.004273
0.973874
0.145959
0.695402
0.241276
0.835475
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
12
MCD
0.023582
0.993271
0.421429
0.339080
0.375796
0.668141
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
13
OCSVM
531.558334
0.991280
0.303922
0.356322
0.328042
0.675709
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
14
PCA
0.005860
0.993271
0.421429
0.339080
0.375796
0.668141
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
15
ROD
5.743121
0.988499
0.000000
0.000000
0.000000
0.497220
False
pyod
0.005836
87381
[amt]
0.005791
29128
0.005974
None
pyod(* pyod_preprocess(fraudTrain, 8 ))
0
ABOD
7.705879
0.994080
0.000000
0.000000
0.000000
0.500000
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
1
COPOD
0.021432
0.992126
0.331579
0.324742
0.328125
0.660422
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
2
ECOD
0.020781
0.989075
0.049451
0.046392
0.047872
0.520540
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
3
GMM
0.098551
0.992065
0.331633
0.335052
0.333333
0.665515
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
4
HBOS
0.011187
0.992828
0.000000
0.000000
0.000000
0.499371
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
5
IForest
0.821438
0.992096
0.331606
0.329897
0.330749
0.662968
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
6
INNE
3.668374
0.992096
0.331606
0.329897
0.330749
0.662968
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
7
KDE
278.269150
0.991058
0.304348
0.396907
0.344519
0.695752
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
8
KNN
0.119490
0.991699
0.296875
0.293814
0.295337
0.644835
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
9
LODA
0.373533
0.992828
0.000000
0.000000
0.000000
0.499371
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
10
LOF
0.212626
0.991089
0.000000
0.000000
0.000000
0.498496
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
11
MAD
0.004767
0.971710
0.146577
0.783505
0.246954
0.878168
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
12
MCD
0.021414
0.992065
0.331633
0.335052
0.333333
0.665515
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
13
OCSVM
685.246210
0.990814
0.298113
0.407216
0.344227
0.700753
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
14
PCA
0.007045
0.992065
0.331633
0.335052
0.333333
0.665515
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
15
ROD
6.350340
0.988861
0.000000
0.000000
0.000000
0.497375
False
pyod
0.005478
98304
[amt]
0.00533
32768
0.00592
None
pyod(* pyod_preprocess(fraudTrain, 7 ))
0
ABOD
4.929224
0.994019
0.000000
0.000000
0.000000
0.500000
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
1
COPOD
0.023187
0.992417
0.367257
0.370536
0.368889
0.683347
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
2
ECOD
0.023353
0.989426
0.098131
0.093750
0.095890
0.544283
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
3
GMM
0.090971
0.992443
0.372294
0.383929
0.378022
0.690017
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
4
HBOS
0.007301
0.992417
0.319277
0.236607
0.271795
0.616786
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
5
IForest
0.965181
0.992577
0.375000
0.361607
0.368182
0.678990
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
6
INNE
4.282798
0.992550
0.373272
0.361607
0.367347
0.678977
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
7
KDE
395.870522
0.991242
0.311594
0.383929
0.344000
0.689412
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
8
KNN
0.146456
0.991722
0.313043
0.321429
0.317181
0.658592
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
9
LODA
0.362165
0.992417
0.319277
0.236607
0.271795
0.616786
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
10
LOF
0.268022
0.988545
0.000000
0.000000
0.000000
0.497247
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
11
MAD
0.005068
0.970681
0.131535
0.696429
0.221277
0.834380
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
12
MCD
0.042764
0.992443
0.372294
0.383929
0.378022
0.690017
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
13
OCSVM
778.449193
0.991162
0.313589
0.401786
0.352250
0.698247
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
14
PCA
0.007717
0.992443
0.372294
0.383929
0.378022
0.690017
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
15
ROD
5.373784
0.987664
0.000000
0.000000
0.000000
0.496803
False
pyod
0.005728
112347
[amt]
0.005643
37450
0.005981
None
pyod(* pyod_preprocess(fraudTrain, 6 ))
0
ABOD
5.861109
0.994255
0.000000
0.000000
0.000000
0.500000
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
1
COPOD
0.027635
0.992859
0.381323
0.390438
0.385827
0.693389
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
2
ECOD
0.027686
0.990158
0.122363
0.115538
0.118852
0.555375
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
3
GMM
0.111848
0.992859
0.382239
0.394422
0.388235
0.695370
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
4
HBOS
0.007678
0.993340
0.000000
0.000000
0.000000
0.499540
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
5
IForest
0.913887
0.993019
0.392000
0.390438
0.391218
0.693470
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
6
INNE
3.407832
0.993591
0.438819
0.414343
0.426230
0.705640
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
7
KDE
550.290630
0.991554
0.319018
0.414343
0.360485
0.704616
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
8
KNN
0.157852
0.991806
0.302583
0.326693
0.314176
0.661171
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
9
LODA
0.597289
0.993340
0.000000
0.000000
0.000000
0.499540
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
10
LOF
0.430781
0.988350
0.018657
0.019920
0.019268
0.506933
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
11
MAD
0.009373
0.972214
0.138242
0.733068
0.232617
0.853332
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
12
MCD
0.037009
0.992859
0.382239
0.394422
0.388235
0.695370
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
13
OCSVM
1345.276646
0.991509
0.318182
0.418327
0.361446
0.706574
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
14
PCA
0.008583
0.992859
0.382239
0.394422
0.388235
0.695370
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None
15
ROD
9.080281
0.988739
0.000000
0.000000
0.000000
0.497226
False
pyod
0.005705
131072
[amt]
0.005692
43691
0.005745
None