R: contoh DataframeSource

library(tm)
docs <- data.frame(doc_id = c("doc_1", "doc_2"),
                   text = c("This is a text.", "This another one."),
                   dmeta1 = 1:2, dmeta2 = letters[1:2],
                   stringsAsFactors = FALSE)
(ds <- DataframeSource(docs))
x <- Corpus(ds)
inspect(x)
meta(x)

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