AG's News Topic Classification Dataset

The AG's news topic classification dataset is constructed by choosing 4 largest classes from the original corpus. Each class contains 30,000 training samples and 1,900 testing samples. The total number of training samples is 120,000 and testing 7,600. Version 3, Updated 09/09/2015

Usage

dataset_ag_news(
  dir = NULL,
  split = c("train", "test"),
  delete = FALSE,
  return_path = FALSE,
  clean = FALSE,
  manual_download = FALSE
)

Source

http://groups.di.unipi.it/~gulli/AG_corpus_of_news_articles.html

https://github.com/srhrshr/torchDatasets/raw/master/dbpedia_csv.tar.gz

Arguments

dir: Character, path to directory where data will be stored. If NULL, user_cache_dir will be used to determine path.
split: Character. Return training ("train") data or testing ("test") data. Defaults to "train".
delete: Logical, set TRUE to delete dataset.
return_path: Logical, set TRUE to return the path of the dataset.
clean: Logical, set TRUE to remove intermediate files. This can greatly reduce the size. Defaults to FALSE.
manual_download: Logical, set TRUE if you have manually downloaded the file and placed it in the folder designated by running this function with return_path = TRUE.

Value

A tibble with 120,000 or 30,000 rows for "train" and "test" respectively and 3 variables:

class: Character, denoting new class
title: Character, title of article
description: Character, description of article

Details

The classes in this dataset are

World
Sports
Business
Sci/Tech

Examples

if (FALSE) {
dataset_ag_news()

# Custom directory
dataset_ag_news(dir = "data/")

# Deleting dataset
dataset_ag_news(delete = TRUE)

# Returning filepath of data
dataset_ag_news(return_path = TRUE)

# Access both training and testing dataset
train <- dataset_ag_news(split = "train")
test <- dataset_ag_news(split = "test")
}