as.VCorpus | R Documentation |
Retrieve full text for the subcorpora orpartition
objects in a
subcorpus_bundle
or partition_bundle
and generate a
VCorpus
-class object from the tm
-package.
## S4 method for signature 'partition_bundle'
as.VCorpus(x)
x |
A |
The VCorpus
class of the tm
-package offers an interface to
access the functionality of the tm
-package. Note however that
generating a VCorpus
to get a DocumentTermMatrix
, or a
TermDocumentMatrix
is a highly inefficient detour. Applying the
as.DocumentTermMatrix
or as.TermDocumentMatrix
methods on a
partition_bundle
is the recommended approach.
If the tm
-package has been loaded, the as.VCorpus
-method
included in the polmineR
-package may become inaccessible. To deal with
this (propable) scenario, it is possible to use a coerce-method
(as(YOUROBJECT, "VCorpus")
), see examples.
use(pkg = "RcppCWB", corpus = "REUTERS")
pb <- corpus("REUTERS") %>%
partition_bundle(s_attribute = "id")
vc <- as.VCorpus(pb) # works only, if tm-package has not yet been loaded
vc <- as(pb, "VCorpus") # will work if tm-package has been loaded, too
vc <- corpus("REUTERS") %>%
split(s_attribute = "id") %>%
as("VCorpus")
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