Coercion functions to and from corpus objects, including conversion to a plain character object; and checks for whether an object is a corpus.
# S3 method for corpus as.character(x, use.names = TRUE, ...) is.corpus(x) as.corpus(x)
object to be coerced or checked
logical; preserve (document) names if
additional arguments used by specific methods
as.character() returns the corpus as a plain character vector, with
or without named elements.
TRUE if the object is a corpus.
as.corpus() upgrades a corpus object to the newest format.
x is a corpus is equivalent to
calling the deprecated