🚆 Jorge Ubirajara Pedreira Junior

Hi! My name is Jorge Ubirajara Pedreira Junior and I’m an Assistant Professor in the Department of Transportation Engineering and Geodesy at the Federal University of Bahia (UFBA), Brazil. I hold a PhD in Transportation Engineering from the University of São Paulo (USP) and my research agenda covers topics such as travel behavior, urban accessibility, health-related mobility, humanitarian logistics, and transport resilience against climate hazards. I also develop open source tools in R to support reproducible research workflows. For more details, you can check my background, browse my publications, or explore the code and data behind my projects.

Notes & Essays

Agregados por Setores Censitários — Censo 2022 (Portuguese Tutorial)

Spatial Analysis

O IBGE disponibiliza parte dos resultados do Censo Demográfico em forma de agregados por setores censitários por meio de várias tabelas, onde cada linha representa um setor censitário e cada coluna representa uma variável agregada (total de…

{cnefetools} v0.2.3: border hexagons and smarter caching

Packages

Spatial Analysis

A new version of {cnefetools} (v0.2.3) is now on CRAN. This release fixes a silent coverage gap in the H3 grid builder, adds caching to the cnefe_counts() and compute_lumi() functions, and allows the cache to be cleared whenever you want.

Aggregating census tract variables to traffic zones in the São Paulo Metropolitan Region

Packages

Spatial Analysis

Many spatial analyses require socioeconomic or demographic data at a geographic unit that does not match the one in which it was originally collected. This is a particularly common challenge in transportation planning, where the unit of analysis is…

{cnefetools} package is live on CRAN!

Packages

Datasets

The {cnefetools} R package is now available on CRAN. It provides an end-to-end workflow for accessing and analyzing address-level data from the 2022 Brazilian CNEFE (Cadastro Nacional de Endereços para Fins Estatísticos), released by IBGE. With read…