columns | R Documentation |
Extract column names or identifiers from an object. For parametric basis objects, this returns tokens representing the type of variables (categorical or continuous).
columns(x)
## S3 method for class 'Scale'
columns(x)
## S3 method for class 'ScaleWithin'
columns(x)
## S3 method for class 'RobustScale'
columns(x)
x |
An object (typically a ParametricBasis) |
A character vector of column identifiers
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