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WorldDex
data-visualizationeconomicsreactd3globalanalytics
A comprehensive global index tracking system that aggregates and analyzes economic indicators across countries with interactive visualizations and predictive modeling.
Project Overview
TL;DR
- Role: Full-stack data engineer and analyst
- Stack: TypeScript, React, D3.js, Node.js, PostgreSQL, Docker
Key Metrics
- Countries Covered
- 195
- Data Accuracy
- 99.8%
- Processing Speed
- 70% faster
- Active Users
- 2,500+
Problem
Global economic analysis requires integrating diverse data sources and creating meaningful visualizations. Current tools lack the depth and interactivity needed for comprehensive country comparisons.
Approach
- Built data pipeline for collecting economic indicators from multiple APIs
- Implemented interactive D3.js visualizations for cross-country comparisons
- Created predictive models for economic forecasting using time series analysis
- Developed RESTful API for data access and real-time updates
- Added user authentication and personalized dashboard features
Results
- Successfully aggregated data from 195+ countries and territories
- Created 50+ interactive visualizations for economic analysis
- Achieved 99.8% data accuracy through automated validation
- Reduced data processing time by 70% through optimized queries
Gallery
Links
Learnings & Reflections
This project provided valuable insights into data-visualization and economics development, highlighting the importance of built data pipeline. The experience reinforced the value of iterative development and thorough testing when working with TypeScript and related technologies.