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View Code? Open in Web Editor NEWOversampling for imbalanced learning based on k-means and SMOTE
License: MIT License
Oversampling for imbalanced learning based on k-means and SMOTE
License: MIT License
Hello, why is there no result after I run the program
The input space is the entire data set or just a few class data sets in the data set?
Hello, can you tell me?how to run test_kmeans_smote.py,and how to call those test functions, I have already said that the value of the plot is changed to True, but the result is the following error.---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
in
----> 1 test_smoke(True)
in test_smoke(plot)
48
49 """Execute k-means SMOTE with default parameters"""
---> 50 kmeans_smote = KMeansSMOTE(random_state=RND_SEED)
51 X_resampled, y_resampled = kmeans_smote.fit_sample(X, Y)
52
TypeError: Can't instantiate abstract class KMeansSMOTE with abstract methods _sample
your proposed hybrid approach is it applicable for multiclass dataset?
It seems that the results cannot be run on the pycharm platform
where can I download this package---'imbtools'
Hi, @felix-last Thanks for sharing your great job. When I run the following codes, I met a Type Error. It seems that KMeansSMOTE didn't implement the abstract method _fit_resample
. Can you help to fix it?
Using TensorFlow backend.
Class -1 has 896 instances
Class 1 has 41 instances
Traceback (most recent call last):
File "test_kmeans_smote.py", line 12, in
smote_args={'k_neighbors': 10})
TypeError: Can't instantiate abstract class KMeansSMOTE with abstract methods _fit_resample
import numpy as np
from imblearn.datasets import fetch_datasets
from kmeans_smote import KMeansSMOTE
datasets = fetch_datasets(filter_data=['oil'])
X, y = datasets['oil']['data'], datasets['oil']['target']
[print('Class {} has {} instances'.format(label, count))
for label, count in zip(*np.unique(y, return_counts=True))]
kmeans_smote = KMeansSMOTE(kmeans_args={'n_clusters': 100},
smote_args={'k_neighbors': 10})
X_resampled, y_resampled = kmeans_smote.fit_sample(X, y)
[print('Class {} has {} instances after oversampling'.format(label, count))
for label, count in zip(*np.unique(y_resampled, return_counts=True))]
Why didn't I get the visualization after running the test program? I only got the results in the example, but there was no visualization after test_kemans_smote.py
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