tm: content_transformer – R documentation

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content_transformer

Content Transformers

Description

Create content transformers, i.e., functions which modify the content of an R object.

Usage

content_transformer(FUN)

Arguments

FUN

a function.

Value

A function with two arguments:

x: an R object with implemented content getter (content) and setter (content<-) functions.
...: arguments passed over to FUN.

Examples

data("crude")
crude[[1]]
(f <- content_transformer(function(x, pattern) gsub(pattern, "", x)))
tm_map(crude, f, "[[:digit:]]+")[[1]]

tm

Text Mining Package

v0.7-8

GPL-3

Authors

Ingo Feinerer [aut, cre] (<https://orcid.org/0000-0001-7656-8338>), Kurt Hornik [aut] (<https://orcid.org/0000-0003-4198-9911>), Artifex Software, Inc. [ctb, cph] (pdf_info.ps taken from GPL Ghostscript)

Initial release

2020-11-17