https://luizvbo.github.io/ • This is a web feed, also known as an Atom feed. Subscribe by copying the URL from the address bar into your newsreader. Visit About Feeds to learn more and get started. It's free. Visit website Recent posts Updated on $DATE date Luiz Otavio V. B. Oliveira Luiz Otavio V. B. Oliveira Personal website of Luiz Otavio V. B. Oliveira, Senior Data Engineer Zola2026-10-05T00:00:00+00:00https://luizvbo.github.io/atom.xml Portable data pipelines with Dagster + Ibis: making migrations less painful 2026-10-05T00:00:00+00:00 2026-10-05T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/ibis-with-dagster-reduce-migration-overhead/ One Ibis expression, many engines. A small Dagster repo showing how engine migrations can become a config change instead of a rewrite. Learning by Example - How to get the path to the user data folder (Python) 2023-02-24T00:00:00+00:00 2023-02-24T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/lbe-getting-user-data-folder/ How to get the path to the user data folder in Python, learning from Label Studio's implementation. Predicting COVID-19 Deaths by Similarity 2020-05-11T00:00:00+00:00 2020-05-11T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/corona-linear-regression/ Predicting COVID-19 deaths by finding countries with similar pandemic trajectories and fitting linear regressions between their time series. Visualizing the number of COVID-19 confirmed cases with Plotly 2020-03-21T00:00:00+00:00 2020-03-21T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/coronavirus-confirmed/ Interactive Plotly visualizations of the evolution of confirmed COVID-19 cases per country. Visualizing the number of COVID-19 deaths with Plotly 2020-03-21T00:00:00+00:00 2020-03-21T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/coronavirus-death/ Interactive Plotly visualizations of the evolution of COVID-19 deaths per country. Visualizing the number of COVID-19 recovered cases with Plotly 2020-03-21T00:00:00+00:00 2020-03-21T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/coronavirus-recovered/ Interactive Plotly visualizations of the evolution of recovered COVID-19 patients per country. Visualizing COVID-19 infection (corona virus) over time 2020-03-12T00:00:00+00:00 2020-03-12T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/coronavirus-visualization/ Exploring and visualizing COVID-19 infection data over time with Python. Loading Wikipedia articles (EN) with Python 2020-03-04T00:00:00+00:00 2020-03-04T00:00:00+00:00 Luiz Otavio V. B. Oliveira https://luizvbo.github.io/post/loading-wikipedia-data-with-python/ Loading and processing Wikipedia article dumps with Python.