elbird (version 0.2.5)

Stopwords: Stopwords Class

Description

Stopwords is for filter result.

Methods

Public methods

• Stopwords$print()

• Stopwords$new()

• Stopwords$add()

• Stopwords$add_from_dict()

• Stopwords$remove()

• Stopwords$save_dict()

• Stopwords$get()

• Stopwords$clone()

---

Method print()

print method for Stopwords objects

Usage

Stopwords$print(x, ...)

Arguments

x

self

...

ignored

---

Method new()

Create a stopwords object for filter stopwords on analyze() and tokenize() results.

Usage

Stopwords$new(use_system_dict = TRUE)

Arguments

use_system_dict

bool(optional): use system stopwords dictionary or not. Defualt is TRUE.

---

Method add()

add stopword one at a time.

Usage

Stopwords$add(form = NA, tag = Tags$nnp)

Arguments

form

char(optional): Form information. Default is NA.

tag

char(optional): Tag information. Default is "NNP". Please check Tags.

Examples

 \dontrun{
  sw <- Stopwords$new()
  sw$add("word", "NNG")
  sw$add("word", Tags$nng)
  }

---

Method add_from_dict()

add stopword from text file. text file need to form "TEXT/TAG". TEXT can remove like "/NNP". TAG required like "FORM/NNP".

Usage

Stopwords$add_from_dict(path, dict_name = "user")

Arguments

path

char(required): dictionary file path.

dict_name

char(optional): default is "user"

---

Method remove()

remove stopword one at a time.

Usage

Stopwords$remove(form = NULL, tag = NULL)

Arguments

form

char(optional): Form information. If form not set, remove tag in input.

tag

char(required): Tag information. Please check Tags.

---

Method save_dict()

save current stopwords list in text file.

Usage

Stopwords$save_dict(path)

Arguments

path

char(required): file path to save stopwords list.

---

Method get()

return tibble of stopwords.

Usage

Stopwords$get()

Returns

a tibble for stopwords options for analyze() / tokenize() function.

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Stopwords$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

if (FALSE) {
  Stopwords$new()
}

## ------------------------------------------------
## Method `Stopwords$add`
## ------------------------------------------------

 if (FALSE) {
  sw <- Stopwords$new()
  sw$add("word", "NNG")
  sw$add("word", Tags$nng)
  }