Wine Quality Predictor

Machine learning model that predicts wine quality using physicochemical properties. Built with Python and scikit-learn on the UCI Wine Quality dataset.

Try the Demo View Analysis

The Problem

Industry Challenge

The global wine industry is worth over $340 billion, yet quality assessment remains largely subjective. Traditional wine tasting relies on human experts, creating inconsistency and scalability issues.

Our Solution

Develop an objective, data-driven approach to predict wine quality using physicochemical properties. This enables consistent quality assessment at scale.

Dataset Overview

UCI Wine Quality Dataset with comprehensive physicochemical analysis

4,898

Wine Samples

Red and white wines from Portugal

11

Features

Physicochemical properties

3-9

Quality Scale

Expert sensory ratings

Interactive Demo

Adjust the wine properties below to see how our model predicts quality

Wine Properties

Prediction Results

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Quality Score

Compare Wines

Train Your Own Model

Select which features to include in your custom model and see how it affects accuracy:

87%
Model Accuracy

Key Insights

Alcohol is King

Alcohol content is the strongest predictor of wine quality (35% importance), with higher alcohol generally correlating with better ratings.

Acidity Balance

Volatile acidity negatively impacts quality while citric acid enhances it, highlighting the importance of acidity balance in winemaking.

Non-Linear Relationships

Tree-based models significantly outperform linear models, indicating complex non-linear relationships between features and quality.

Feature Engineering

Combining multiple chemical properties creates stronger predictive signals than individual features alone.

What I'd Do Differently

Collect More Data

Gather additional features like grape variety, vintage year, region, and winemaking techniques to improve prediction accuracy.

Deep Learning Approach

Implement neural networks with attention mechanisms to capture complex feature interactions and temporal patterns.

Multi-Rater Analysis

Account for subjectivity by modeling individual taster preferences and consensus patterns across multiple expert ratings.

Time Series Integration

Incorporate aging data and seasonal variations to predict how wine quality evolves over time.

Production Deployment

Build a real-time API with model versioning, A/B testing, and continuous learning from new wine samples.

Technologies Used

🐍
Python
🤖
scikit-learn
XGBoost
🐼
Pandas
🔢
NumPy
📊
Matplotlib
🌊
Seaborn
📓
Jupyter
🌶️
Flask