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This is a thin wrapper around stats::model.matrix() which returns a tibble. Use it to determine how your modelling formula is translated into a matrix, an thence into an equation.
stats::model.matrix()
model_matrix(data, formula, ...)
A tibble.
A data frame
A modelling formula
Other arguments passed onto stats::model.matrix()
model_matrix(mtcars, mpg ~ cyl) model_matrix(iris, Sepal.Length ~ Species) model_matrix(iris, Sepal.Length ~ Species - 1)
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