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This repository contains a machine learning project focused on the detection of spam messages using the Naive Bayes algorithm. By employing statistical techniques and natural language processing (NLP), we build and evaluate a model capable of classifying text data as spam or not spam.

License: MIT License

Jupyter Notebook 100.00%

multinomialnb's Introduction


Spam Detection with Naive Bayes

Overview

This repository contains a machine learning project focused on the detection of spam messages using the Naive Bayes algorithm. By employing statistical techniques and natural language processing (NLP), we build and evaluate a model capable of classifying text data as spam or not spam.

Dependencies

  • Scikit-learn
  • NumPy

Dataset

The project uses a collection of labeled emails, with a binary classification of 'Spam' or 'Not Spam'.

Methodology

The process of creating the spam detection model includes:

  • Vectorizing the text data using CountVectorizer to convert text data into numerical data that can be used by the machine learning algorithm.
  • Training a MultinomialNB classifier on the processed data.
  • Evaluating the model's performance using various metrics such as accuracy, precision, recall, and F1 score.

Model Training

A simple yet effective Naive Bayes classifier is trained with the following steps:

vectorizer = CountVectorizer()
X_train = vectorizer.fit_transform(train_text)

Model Evaluation

After training, the model is evaluated to determine its effectiveness at spam detection. The performance is quantified using the following metrics:

  • Accuracy
  • Precision
  • Recall
  • F1 Score

Results

The results section should provide an overview of the model's classification abilities and potential areas for improvement.

Repository Contents

  • SpamDetection.ipynb: The Jupyter notebook containing the step-by-step process for training the spam detection model and evaluating its performance.

Getting Started

Clone this repository and run the Jupyter notebook to view the code and analysis. Ensure that you have all the required libraries installed on your machine.

Conclusion

The Spam Detection with Naive Bayes project demonstrates a practical application of machine learning in text classification. The model can be further refined and potentially integrated into email clients to help filter out unwanted messages.


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