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Update README.md
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ShayanHodai authored Jun 1, 2024
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## Feature Selection

To address class imbalance in the dataset and create a balanced dataset, random undersampling is applied to reduce the number of instances in the majority class. This ensures that the machine learning model can learn to recognize patterns in both classes more effectively. After undersampling, the shape of the balanced dataset is (984, 31).
To address class imbalance in the dataset and create a balanced dataset, `random undersampling` is applied to reduce the number of instances in the majority class. This ensures that the machine learning model can learn to recognize patterns in both classes more effectively. After undersampling, the shape of the balanced dataset is (984, 31).

correlation of fraud/normal transactions with non-redundant features
Correlation of fraud/normal transactions with non-redundant features

![Example Image](images/corr2.png)

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![Example Image](images/Decision%20Tree.png)

## Model Evaluation
ROC carve:
`ROC carve:`
![Example Image](images/ROC.png)

## Fine-Tuning
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