PCorpus | R Documentation |
Create permanent corpora.
PCorpus(x, readerControl = list(reader = reader(x), language = "en"), dbControl = list(dbName = "", dbType = "DB1"))
x |
A |
readerControl |
a named list of control parameters for reading in content
from
|
dbControl |
a named list of control parameters for the underlying database storage provided by package filehash.
|
A permanent corpus stores documents outside of R in a database. Since
multiple PCorpus
R objects with the same underlying database can
exist simultaneously in memory, changes in one get propagated to all
corresponding objects (in contrast to the default R semantics).
An object inheriting from PCorpus
and Corpus
.
Corpus
for basic information on the corpus infrastructure
employed by package tm.
VCorpus
provides an implementation with volatile storage
semantics.
txt <- system.file("texts", "txt", package = "tm") ## Not run: PCorpus(DirSource(txt), dbControl = list(dbName = "pcorpus.db", dbType = "DB1")) ## End(Not run)
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