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Sentiment Analysis pipeline

Project description

๐Ÿ’ฌ Sentiment Analysis Pipeline

This repository hosts an easy-to-use, ready-made Sentiment Analysis pipeline designed to get you started quickly with classifying text data. Everything you need, from data preprocessing to model training and prediction, is set up and configured.


โœจ Features

  • End-to-End Pipeline: Go from raw text to sentiment predictions with minimal setup.
  • Automated Preprocessing: Includes robust text cleaning:
    • Lemmatization
    • Stop word removal
    • Punctuation handling
    • URL/emoji/HTML removal, etc.
  • Multiple Text Representation Methods:
    • Bag-of-Words (BoW)
    • Term Frequency (TF)
    • TF-IDF (Term Frequency-Inverse Document Frequency)
    • Word Embeddings (Word2Vec - pre-trained Google News 300-dim model)
  • Multiple Machine Learning Algorithms:
    • Logistic Regression
    • Random Forest
    • XGBoost
  • Hyperparameter Tuning Support:
    • All models are compatible with GridSearchCV.
    • By default, models run with standard parameters for quick testing.
    • Grid search options are built-in and ready to use if needed.
  • Modular Design: Each component is cleanly separated into its own module.
  • Prediction on New Data: Easily apply your trained model to new, unseen data.

๐Ÿš€ Getting Started

Follow these steps to get your sentiment analysis pipeline up and running:

1. Prerequisites

  • Git: For cloning the repository.
  • Python 3.8+ (Recommended: Anaconda for environment management)
  • Anaconda/Miniconda: Strongly recommended

2. Clone the Repository

git clone https://github.com/AlabhyaMe/Sentimental-Analysis-.git
cd Sentimental-Analysis-
conda create -n sentiment_env python=3.9
conda activate sentiment_env
pip install -r requirements.txt
This project is setup in the follwing pipeline
โ”œโ”€โ”€ Training Data/
โ”‚   โ””โ”€โ”€ train.csv                # Your training file
โ”œโ”€โ”€ New Data/
โ”‚   โ””โ”€โ”€ new_texts.csv            # Your new prediction file
โ”œโ”€โ”€ MLAlgo/
โ”‚   โ”œโ”€โ”€ logistic_regression_model.py
โ”‚   โ”œโ”€โ”€ random_forest_model.py
โ”‚   โ””โ”€โ”€ xgboost_model.py
โ”œโ”€โ”€ Vect/
โ”‚   โ”œโ”€โ”€ bag_of_words_vectorizer.py
โ”‚   โ”œโ”€โ”€ tfidf_vectorizer.py
โ”‚   โ””โ”€โ”€ word_embedding_vectorizer.py
โ”œโ”€โ”€ preprocessing.py             # Text cleaning functions
โ”œโ”€โ”€ sentiment_analysis_main.ipynb  # Full training + prediction notebook
โ”œโ”€โ”€ sentiment_prediction.ipynb     # Quick prediction-only notebook
โ”œโ”€โ”€ requirements.txt
โ””โ”€โ”€ README.md


3. Prepare Your Data

๐Ÿ“Œ Training Data

Place your training CSV file in the Training Data/ folder.

  • It must contain:
    • A column named Response โ€“ for the raw input text.
    • A column named Sentiment โ€“ for sentiment labels (e.g., "Positive", "Negative", "Neutral").

๐Ÿ“Œ New Data for Prediction

Place your new prediction CSV file in the New Data/ folder.

  • It must contain:
    • A column named RawTextColumn (or another name you configure in the notebook).

๐Ÿ“š Dataset Citation

This project uses publicly available training data from:

Madhav Kumar Choudhary. Sentiment Prediction on Movie Reviews. Kaggle.
https://www.kaggle.com/datasets/madhavkumarchoudhary/sentiment-prediction-on-movie-reviews
Accessed on: 2025- 07-15

If you use this dataset in your own work, please cite the original creator as per Kaggle's Terms of Use.

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