R: Read In a Text Document from a Data Frame

readDataframe {tm} | R Documentation

## Read In a Text Document from a Data Frame

### Description

Read in a text document from a row in a data frame.

### Usage

    readDataframe(elem, language, id)

### Arguments

`elem` | a named list with the component `content` which must hold a data frame with rows as the documents to be read in. The names of the columns holding the text content and the document identifier must be `"text"` and `"doc_id"`, respectively.
`language` | a string giving the language.
`id` | Not used.

### Value

A `PlainTextDocument` representing `elem$content`.

### See Also

`Reader` for basic information on the reader infrastructure employed by package tm.

### Examples

    docs <- data.frame(doc_id = c("doc_1", "doc_2"),
                       text = c("This is a text.", "This another one."),
                       stringsAsFactors = FALSE)
    ds <- DataframeSource(docs)
    elem <- getElem(stepNext(ds))
    result <- readDataframe(elem, "en", NULL)
    inspect(result)
    meta(result)

[Package tm version 0.7-5 Index]