该tm包扩展c,使得如果给定一组PlainTextDocument的IT自动创建Corpus.不幸的是,似乎每个都PlainTextDocument必须单独指定.
例如,如果我有:
foolist <- list(a, b, c); # where a,b,c are PlainTextDocument objects
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我这样做是为了得到一个Corpus:
foocorpus <- c(foolist[[1]], foolist[[2]], foolist[[3]]);
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我有一个列表的列表'PlainTextDocument,看起来像这样:
> str(sectioned)
List of 154
$ :List of 6
..$ :Classes 'PlainTextDocument', 'TextDocument', 'character' atomic [1:1] Developing assessment models Developing models
.. .. ..- attr(*, "Author")= chr "John Smith"
.. .. ..- attr(*, "DateTimeStamp")= POSIXlt[1:1], format: "2013-04-30 12:03:49"
.. .. ..- attr(*, "Description")= chr(0)
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