Portfolio / Projects / Brazilian E-commerce

Brazilian E-commerce
Dataset Analysis

A full exploratory data analysis of Olist's Brazilian e-commerce platform — uncovering patterns in customer behavior, sales trends, delivery performance, and actionable business recommendations.

📅 2024 💻 Python · Pandas · Matplotlib 📊 Power BI 📊 EDA · Data Visualization
100k+ Orders Analyzed
9 Business Questions
27 Brazilian States
4.29 Avg Review (On-time)
2.57 Avg Review (Late)

Key Findings

What the data revealed

🎉

Top Product Categories

Bed, Bath & Table leads in volume. Health & Beauty and Sports & Leisure follow closely, driving the majority of platform GMV.

#1 Bed & Bath
🌎

Geographic Revenue

São Paulo state dominates revenue, accounting for ~40% of all orders. Northern states (RR, AP, AM) are severely underserved with delivery times up to 30 days.

~40% SP Share
💳

Payment Methods

Credit card is the dominant payment method. Boleto (Brazilian bank slip) is second, revealing the importance of supporting unbanked customers.

74% Credit Card
🚚

Delivery Performance

Average delivery time is ~12 days. Northern regions suffer 3–4× longer wait times vs. São Paulo's ~8 days, pointing to a critical logistics gap.

~12 day avg

Late Deliveries & Reviews

On-time deliveries average a 4.29 review score. Late deliveries crash to 2.57 — a 40% drop in satisfaction with direct impact on platform reputation.

4.29 → 2.57
📦

Freight Cost Drivers

Product weight (0.61) and size (0.59) are the primary freight cost drivers, significantly more than product price (0.41). Physical logistics dominates cost.

r = 0.61 Weight

Interactive Dashboard

Power BI Dashboard

The interactive dashboard lets you explore all findings dynamically — filter by state, category, time period, and more.

Full Analysis

Jupyter Notebook

The complete analysis including all code, visualizations, and detailed findings.

📁 Olist_E_commerce.ipynb

Recommendations

Business Strategies

📦

Logistics Optimization

Negotiate specialized freight contracts for heavy/bulky items. Moving to LTL carriers for items over 10kg can reduce freight costs by 15–20% for Furniture and Garden Tools.

🏠

Regional Fulfillment Hubs

Establish fulfillment centers in the Northeast (Fortaleza or Recife) to cut Northern delivery times from 30 days to under 10 and unlock underserved markets.

💰

Flat-Rate for Premium Items

Implement flat-rate shipping for items under 1kg valued over $200. Removes friction for high-value, low-weight purchases like Watches and Health & Beauty.

Dynamic Delivery Buffers

Add 3–5 buffer days to EDD for high-variance regions (North/Northeast) and trigger proactive discount vouchers when carrier API detects a delay. Protect the 4.29 review score.

🌿

Sustainable Packaging

Launch a packaging efficiency initiative for sellers. Reducing dead air in shipments directly improves the 0.59 size-to-freight correlation and lowers costs for both platform and sellers.

💵

Seller Performance Tiers

Segment top-performing sellers and offer preferred logistics rates and promotional visibility. Concentrate support on the top 10% who drive disproportionate GMV.