Keep the 'label' attribute on an R object when subsetting. loosen.labels allows the 'label'
attribute to be lost again.
keep.labels(x, ...)# S3 method for data.frame
keep.labels(x, ...)
# S3 method for default
keep.labels(x, ...)
# S3 method for keep_labels
[(x, ...)
# S3 method for keep_labels
[(x, i) <- value
loosen.labels(x, ...)
# S3 method for data.frame
loosen.labels(x, ...)
# S3 method for default
loosen.labels(x, ...)
An R object
Other arguments (not in use at this time).
See [<-.
A copy of x with a "keep_labels" class appended on or removed. Note that for the data.frame method,
only classes on the columns are changed; the data.frame won't have an extra class appended. This is different from previous
versions of arsenal.