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In ProgressData Visualization2024
Open Data Explorer
A lightweight interface for browsing and comparing public datasets without a spreadsheet.
Problem
Published open data is often technically available but practically hard to read for non-specialists.
Context
Built as a learning project using publicly available sample datasets.
My role
Design and full-stack implementation.
Solution
A filterable table plus simple comparison charts, with plain-language descriptions of every field.
Key features
- Field dictionary written in plain language
- Client-side filtering and comparison
- Shareable views via URL state
- Accessible chart alternatives as data tables
Architecture overview
- 1
Dataset source
- 2
Normalization
- 3
Query layer
- 4
Interface
- 5
Shareable view
Accessibility
Every chart has an equivalent data table and no meaning depends on color alone.
Security
Read-only public data with no authentication surface.
Outcome
Makes a dataset understandable in a couple of minutes rather than an afternoon.
Lessons learned
- A field dictionary is the highest-value feature in any data tool.
- URL state beats a saved-view feature for a small project.
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Geospatial information system for rapid spatial data analysis and visualization.
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