extendr/mdl
An opinionated and performant reimagining of model matrices using rust
This tool helps data analysts and scientists quickly prepare their data for statistical modeling in R. You provide a formula specifying the relationships between your variables and a data frame containing your raw data. It then rapidly converts this into a numeric matrix, ready for various regression or machine learning algorithms.
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Use this if you need to transform R data frames into model matrices very quickly, especially with smaller to medium-sized datasets, and your formulas are straightforward.
Not ideal if your statistical formulas include complex in-line functions, you need to handle missing values within the matrix creation, or you require automatic adjustment of factor levels.
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Language
R
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Last pushed
Jul 27, 2025
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