Ateeq.
Machine LearningAI / SaaS/Completed/2023

Spam Email Classifier

NLP-powered email classification with high accuracy

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Year
2023
Domain
Machine Learning
Stack
6 technologies
Status
Completed

Overview

An NLP machine learning project that classifies emails as spam or not spam using text preprocessing and classification algorithms. Trained on the Enron email dataset with multiple model comparisons.

Machine Learning

6 technologies · 5 key features · 3 outcomes

Challenge & Approach

The Problem

Email spam is a persistent problem that wastes time and reduces productivity. Manual filtering is inefficient. Organizations need automated, accurate classification systems.

The Solution

Built a text classification pipeline with tokenization, stopword removal, TF-IDF vectorization, and multiple classifier comparison. Achieved high accuracy with Naive Bayes and SVM models.

Key Features

Text preprocessing pipeline (tokenization, stopwords, stemming)
TF-IDF feature extraction
Multiple classifier comparison (NB, SVM, Logistic Regression)
Confusion matrix and classification report
Accuracy, precision, recall, F1 evaluation

Technologies Used

PythonScikit-learnNLTKPandasNumPyMatplotlib

Results & Impact

01

Achieved 97.8% accuracy with SVM classifier

02

Low false positive rate (legitimate emails kept safe)

03

Reusable text classification pipeline

Lessons Learned

1

NLP preprocessing quality directly impacts classification accuracy

2

SVM outperforms Naive Bayes on larger text datasets

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