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Showing 11 posts
Public Economics
Why Chile does not quantify the fiscal risk of its disasters (and Spain does)
Comparative technical note: contingent liabilities, catastrophe bonds, and the role of independent fiscal institutions in Chile (DIPRES, CFA) and Spain (AIReF, CCS).
Applied AI
From internal masterclasses to operating judgment for regulatory RAG
How I structured a study system around evals, retrieval, and production to turn applied AI knowledge into verifiable decisions for fiscal and regulatory corpora.
LLM Infrastructure
Designing an LLM broker without selling arbitrage hype
Architecture notes from an OpenAI-compatible v1 with public aliases, prepaid credits, LiteLLM, a batch worker, and a more sober thesis than reselling cheap tokens.
Document AI
Classifying the geographic scope of papers with structured outputs
A small pipeline for turning academic PDFs into auditable JSONL: explicit countries, regional/global scope, main conclusion, and Latin America signals.

Data Visualization
OFTW Challenge: speed, focus, and a concise story that reached the podium
A minimum viable pattern for challenges: clean what matters, choose a core metric, and build three views that explain the story. Third place in the Plotly x OFTW challenge.

Data Visualization
MTA Ridership: a recovery narrative that won first place
A clear story told with three key views and a focused UX to understand NYC transit recovery. First place in the Plotly community Holiday Season App Challenge.

Public Health
Hospitales_ESP: from scattered public data to usable health intelligence
An open ETL that unifies public hospital data to surface territorial patterns, bottlenecks, and signals for decision-making.
Data Applications
Public procurement tooling: from messy tenders to decision-ready data (redacted)
Private engagement: a procurement analytics tool with automated ingestion, normalization, and reporting. Screenshots and names are redacted.

Visualization
Plotly with Python in production: strengths and limits (Pokémon Dashboard case)
Practical, sober evaluation of Plotly with Python for interactive visualization, using a Pokémon dashboard as a running example.

Data Science
PrecioPiso (Master’s): housing price prediction with POI and Streamlit
Architecture, data and model to estimate housing prices in Spain. Scraping + OSM POI, Random Forest, and Dockerized deployment.

Public Economics
Chile pension reform modeling: methodology, assumptions, and results
Actuarial modeling of Chile’s pension reform: model structure, data, assumptions, SSP components and sustainability of the Integrated Pension Fund (FIP).