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# Anomaly Detection Model | |
## Overview | |
This repository contains a Python class AnomalyDetectionModel built using TensorFlow and Keras | |
for detecting anomalies in network traffic data. The class encapsulates the creation, training, | |
and evaluation of a neural network model designed to classify network data as either normal or anomalous. | |
### Why Use a Sequential Model? | |
The Sequential model in Keras is a simple, linear stack of layers. | |
It is ideal for building feedforward neural networks where the model | |
progresses through each layer sequentially, without any branching or complex topologies. | |
### Key Reasons for Using Sequential: | |
Simplicity: The Sequential API is straightforward and easy to use. It is perfect for beginners and | |
for models that involve a single input and output with layers stacked one after the other. | |
Linear Stack: For the task of anomaly detection, the architecture typically involves a simple | |
forward pass through several dense layers, making the Sequential model a natural fit. | |
Flexibility: While simple, the Sequential model is flexible enough to allow for customization | |
through the addition of various types of layers, activation functions, and regularization techniques. | |
Example Usage | |
```python | |
# Initialize the model with the input shape | |
anomaly_model = AnomalyDetectionModel(X_train.shape[1]) | |
# Train the model | |
history = anomaly_model.train(X_train, y_train) | |
# Evaluate the model on the test data | |
loss, accuracy = anomaly_model.evaluate(X_test, y_test) | |
print(f'Test Accuracy: {accuracy:.4f}') | |
``` | |
Dependencies | |
Python 3.x | |
TensorFlow | |
Keras (included with TensorFlow) | |
Scikit-learn | |
Pandas | |
Installation | |
Install the required packages using pip: | |
Conclusion | |
The Sequential model is a great choice for this anomaly detection task due to its simplicity, | |
ease of use, and the linear nature of the problem. This approach ensures that the model is easy | |
to build, understand, and maintain while still providing robust performance for binary classification | |
tasks such as anomaly detection. |