delete_stop_words {MetaNLP} | R Documentation |
Delete stop words
Description
Usually, stop words do not offer useful information in the classification whether a paper should be included or excluded from a meta-analysis. Thus, such words should not be part of the word count matrix. This function allows the user to automatically delete stop words.
Usage
delete_stop_words(object, ...)
## S4 method for signature 'MetaNLP'
delete_stop_words(object, ...)
Arguments
object |
A MetaNLP object, whose data frame is to be modified. |
... |
Language of the stop words. Defaults to "english". |
Details
This function allows to delete stop words from different languages. Supported
languages are english
, french
, german
, russian
and
spanish
. Language names are case sensitive.
Value
An object of class MetaNLP
.
Examples
path <- system.file("extdata", "test_data.csv", package = "MetaNLP", mustWork = TRUE)
obj <- MetaNLP(path)
obj <- delete_stop_words(obj, "english")
[Package MetaNLP version 0.1.2 Index]