Add a label to a logical vector.
This function is mainly for internal use. It adds a label to
a logical vector, so that the Percent pseudo-function
can ignore it when forming a denominator.
labelSubset(subset, label)
subset |
A logical vector describing a subset of the dataset. |
label |
A character label to use to describe this subset in a call
to |
A vector of class "labelledSubset" with the label
recorded as an attribute.
Duncan Murdoch
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