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Update README.md
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ShayanHodai authored Jun 1, 2024
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Expand Up @@ -12,7 +12,7 @@ The dataset is highly imbalanced as, less than 1% of total transactions are frau
![Example Image](images/imbalanced%20dataset.png)

features histograms: as seen, most features are centred around 0
[View the PDF](images/features\histogram.pdf)
[View the PDF](images/features%20histogram.pdf)

Time and Amount features need scaling
Time feature is scaled by StandardScaler -> range between 0 to 1
Expand All @@ -25,13 +25,13 @@ correlation of fraud/normal transactions with non-redundant features
Machine learning classification models evaluation metrics:
As the cost of False Positive and False Negative in this problem varies, Precision and Recall and, eventually, f1-score are the evaluation metrics of the model performance
Logistic regression:
![Example Image](images/logistic\regression.png)
![Example Image](images/logistic%20regression.png)
KNN:
![Example Image](images/KNN.png)
SVM:
![Example Image](images/SVM.png)
Decision tree classifier, which is highly overfitting:
![Example Image](images/Decision\Tree.png)
![Example Image](images/Decision%20Tree.png)

ROC carve:
![Example Image](images/ROC.pdf)
Expand All @@ -40,4 +40,4 @@ Fine-tuning the best performing model, which is logistic regression:
![Example Image](images/fine-tuning.png)

Evaluation on the test set:
![Example Image](images/evaluation\on\test.png)
![Example Image](images/evaluation%20on%20test.png)

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