Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
John Helveston maintains documentation pages for several R packages, including {logitr}, {cbcTools}, {renderthis}, and {oica}, which provide tools for choice modeling, survey design, presentation creation, and vehicle production data analysis. The site also hosts an R for Analytics Primer and a xaringan theme called λέξις, with personal content redirected to jhelvy.com.
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