Establish a Feature Columns Selection Scope
This helper function provides a set of names to be
used by tidyselect helpers in e.g. feature_columns().
set_columns(columns) with_columns(columns, expr) scoped_columns(columns)
columns |
Either a named R object (whose names will be used to provide a selection context), or a character vector of such names. |
expr |
An R expression, to be evaluated with the selection context active. |
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