Mauricio "Pachá" Vargas Sepúlveda
Statistician
Summary
🤩
RockstarMauricio Pachá Vargas Sepúlveda is a statistician with 12 years of experience applying rigorous statistical methods to policy-relevant questions, especially in international trade. He combines domain expertise with hands-on software development, contributing to prominent open-source projects such as Apache Arrow (improving R bindings and performance) and extending the highcharter R package with advanced chart types and CI-driven quality. His work sits at the intersection of data engineering and reproducible analytics, emphasizing robust error handling, testing, and documentation. Based in Chile, he brings a pragmatic focus on making complex data workflows accessible to R users and policymakers alike.
12 years of coding experience
Stackoverflow
3,469reputation
1.3mreached
51answers
116questions
Github Skills (22)
data-set10
r10
rs10
data-api10
htmlwidgets10
r-stats10
datasets10
apache-arrow10
parquet10
feather10
testing9
visualization9
testthat9
shiny9
visualizations9
Programming languages (17)
Github contributions (5)
jbkunst/highcharter
Oct 2019 - Jul 2020
R wrapper for highcharts
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:63 commits, 16 PRs, 47 pushes in 9 months
Contributions summary:Mauricio primarily contributed to the `highcharter` R package, focusing on extending and refining its functionality. They implemented new features for creating different chart types, including treemaps, organization charts and matrix plots. Furthermore, they worked on integrating themes, adding unit tests using `testthat` and `covr`, and setting up continuous integration using Travis CI and code coverage with Codecov.
wrapperhighchartsr-packagehtmlwidgetscran
apache/arrow
Feb 2021 - Aug 2021
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:Back-end Developer
Back-end DeveloperContributions:72 reviews, 14 commits, 41 PRs in 6 months
Contributions summary:Mauricio primarily contributed to the R bindings of the Apache Arrow project. Their work involved implementing and improving functionality for the R interface, including bindings for reading and writing data, error handling, and performance enhancements. They addressed bugs, added support for new features (such as the power kernel, pmin/pmax functions), and improved documentation and examples for dataset operations. Their commits reflect a focus on expanding the capabilities of the Arrow library for R users.
memorymulti-languagetoolboxacceleratedarrow
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