Rafael H. M. Pereira 🚡 Urban Demographics

New study using large-scale smartphone data to examine how mobility patterns and constraints shape the socio-spatial segregation experienced by foreign-born populations nature.com/articles/s4433…

You watch a tutorial, and you think you learned something. You build a project, and you actually learn something.

Imagine introducing on the market a product that is several times more fatal for children. That wouldn't work in most sectors, but it barely raises an eyebrow in the car market. And soon most cars on European roads will be SUVs.

I feel attacked !

ATENÇÃO Vídeo novo do @rauljustelores sobre brasília! youtube.com/watch?v=dA2RXK…

Reminder: Back up your thesis.

Um repositório com a lista de todos os pacotes de R para acesso a dados brasileiros, o que estamos chamando carinhosamente de #brverse. Repo aberto para contribuições! abram PR se quiserem sugerir outros pacotes github.com/ipeaGIT/brverse #rstats

Trump’s 50% Brazil tariff: Because nothing says "America First" like taxing your own citizens to defend someone else's coup.

Geocoding Brazilian data with {geocodebr} in #rstats urbandemographics.org/post/geocoding… I've finally found some time to write a few words about #geocodebr on my personal website

Atualização do📦{censobr} p/ baixar dados do censo demográfico em #rstats. Novidades do #censobr v.0.5.0: - Dados e dicionário de agregados por setor censitario de 2022 e 2000 - Possivel escolher a pasta de cache persistente - Download de dados mais rapido ipeagit.github.io/censobr/index.…

mapgl for #rstats now includes full support for PMTiles as a data source in both @maplibre and @Mapbox maps! Try out the example in the docs where you can visualize the 64 million places hosted by @OvertureMaps: walker-data.com/mapgl/referenc…

Great update for transport modelers and urban planners: The latest dev version of r5r allows you to modify car speeds to better simulate congestion and road closures. This adds a new layer of flexibility for analyzing real-world traffic scenarios. Thank you @UrbanDemog for…

{r5r} good news: now it's possible to adjust car speeds in #r5rstats to simulate different scenarios of traffic congestion and road closures. This feature is available in the dev version and will be included in the next release: ipeagit.github.io/r5r/dev/articl… #rstats #rspatial #r5rstats

Another fun example of the `mapgl::enable_shiny_hover()` function: using a buffer that follows your cursor as a "magnifying glass" over a circle layer! #rstats Give it a try: walker-data.com/mapgl/referenc…

Results from a 4-year longitudinal study of language & mathematical performance of all French 1st and 2nd graders (2.6 million kids) show that the maths gender gap emerges early on at the the first year of school Paper nature.com/articles/s4158… Pres release nature.com/articles/d4158…

"Cyrus Mitchell (@ spam account) has added you to a group conversation on Twitter!" I've been getting dozens of email alerts like this every day. It's quite said to see what this network has become compared to what it could be. @elonmusk

The Call for Papers for the 4th meeting of LACEA's Urban Economics Network is out! FGV São Paulo, Dec 5-6, 2025 Keynotes: Gilles Duranton (Wharton) & Ingrid Gould Ellen (NYU) Deadline for submission: Jul 15th Big thanks to our local organizers @DaMataDan & @cirobiderman!

Reuniting spatial interaction and accessibility 🌐blog post: urbandemographics.org/post/reuniting… A new study (preprint) with @soukhov_a, @higgicd and Antonio Paez 🗺️📏 📑Preprint: osf.io/a9dxb_v1

Amazing to see a pattern of how futuristic renderings of cities and public transportation systems basically kill any notion of walkability

🚗 💥 Excited to share that our latest article is now published in Sustainable Cities and Society! 🔗 lnkd.in/gE8QyWAH 💫 First study to use mobile phone activity data to estimate CO2 emissions validated with emissions sensor measurements