OFTW Challenge: speed, focus, and a concise story that reached the podium

Data Visualization

OFTW Challenge: speed, focus, and a concise story that reached the podium

By Alonso Valdés2025-09-25
#plotly#dash#challenge#analytics#llm

Context

Internal app for One for the World (OFTW) focused on key metrics: money moved, OKRs, pledge performance, and an LLM Chat page for natural-language queries.

Analytical MVP

  • Type checks, category normalization, and conservative imputations.
  • A single core metric to enable clean comparisons. Avoid unnecessary complexity.
  • Modular architecture in Dash + Plotly + Flask.

Views

  • Overview with a clear message.
  • Comparison by chapter or portfolio using facets.
  • Detail with ranking and automatic annotations.

Design

  • Contained, accessible palette.
  • Useful legends and actionable titles.
  • Graceful empty states with clear messaging.

Outcome

Awarded third place in the Plotly x OFTW challenge.

Links