A Portuguese-language Substack offering beginner-friendly guides to data analysis, mainly using Excel, such as cleaning messy spreadsheets and the basic steps of analysis. Readers get step-by-step tutorials and general explanations of why data work matters.
Website: https://dadoseanlise.substack.com
Gaurav Albal writes essays on AI agents, measurement, and trust in automated systems, using worked examples from TikTok growth data and a fictional inference-reseller fraud case. The issues show careful statistical reasoning about confounding and policy trade-offs in fraud decisions.
Data-driven articles that put numbers on public policy, environment and global questions, often with original charts and datasets. Readers get context on scale, such as how much tax levers could raise or how deforestation trends have changed.
Junk Charts critiques data visualizations and statistical claims, using frameworks like the Trifecta Checkup to examine charts, data and the questions behind them. Recent issues cover a reproduction of Pfizer Covid-19 vaccine trial analyses, a critique of a subway-stop closure analysis, and a flawed bar chart of top acquisitions.
A housing newsletter that uses data and charts to examine U.S. home prices, affordability, migration and demographics. Issues present original analyses, such as which neighborhood features correlate with home values and when owning beats renting.
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