dotfiles

R programming for data analysis and econometrics. Use when the user is working with R code, data.table, fixest, duckdb, arrow, tinyplot, or asking about R coding style, package choices, or data workflows.

Python programming conventions and patterns. Use when the user is writing Python code, asking about style, logging, testing, docstrings, or project structure.

Apache Spark performance tuning and troubleshooting. Use when the user is debugging slow Spark jobs, optimizing configurations, or diagnosing performance issues.