categorical constructors check inputs, convert to matrix and finally should call this function.
1 2 3 4 | ## S3 method for class 'matrix'
categorical(x = logical(), levels,
alternatives = empty_alternatives(levels),
alternatives_internal = empty_alternatives(levels), class = c())
|
x |
a logical matrix; each row corresponding to a value in the resulting vector, each column to a level / category |
levels |
list of possible values for x; similar to factor levels |
alternatives |
a named list of vectors with alternative values corresponding to 'levels'. Must have the same length as levels. Can be accessed with |
alternatives_internal |
a named list of vectors with alternative values corresponding to 'levels'. Must have the same length as levels. Can be accessed with |
class |
optional: name the subclass if you are using this to define a new vector type on top of the 'cat_categorical' class |
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