Fast Creation of Dummy (Binary) Columns from Categorical Variables

Creates dummy columns from columns that have categorical variables (character or factor types). You can also specify which columns to make dummies out of, or which columns to ignore. This package provides a significant speed increase from creating dummy variables through model.matrix().


Reference manual

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0.1.2 by Jacob Kaplan, 2 months ago

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Authors: Jacob Kaplan [aut, cre], Benjamin Schlegel [ctb]

Documentation:   PDF Manual  

GPL license

Depends on data.table

See at CRAN