README.md

In chainsawriot/pediarr: R interface to Wikipedia API

pediarr

R interface to Wikipedia API

Package Installation

if(!require("devtools")){
    install.packages("devtools")
    library("devtools")
}
install_github("chainsawriot/pediarr")

Features

• Search Wikipedia

pediasearch("ukulele")
pediasearch("ukulele", extract = TRUE, limit = 1)

pediasearch("Python")
pediasearch("Python", namespace = 14) # search for categories
pediasearch("Dynamically typed programming languages", namespace = 14, limit = 1)

• Retrieve extract(s) of Wikipedia article

pediaextract("Hong_Kong")
pediaextract("Hong Kong") # smart enough to replace space with underscore
pediaextract("Hong_Kong", lang="es")

sapply(pediasearch("ukulele"), pediaextract) # it is not a good practice, use pediasearch("ukulele", extract = TRUE)

# Multiple extracts from one query
pediaextract(c("R.E.M.", "Nirvana (band)", "Pearl Jam"))

• Experimental: retrieve the full text of Wikipedia article

fulltext <- pediafulltext("Albert Einstein", format = 'text') # extremely messy, need to cleanup
wikitext <- pediafulltext("Albert Einstein", format = 'wikimarkup')
htmltext <- pediafulltext("Albert Einstein", format = 'html')

• List out members of Wikipedia category

pediacategory("Category:Dynamically typed programming languages")
pediacategory("Category:Dynamically typed programming languages", cmtype = 'page') # ignore subcat and files

• Retrieve the wikipedia title in other language

pedialang("Albert Einstein")
pedialang("米", lang = "ja", lllang = "de")
pedialang("앨런_튜링", lang = "ko", lllang = "en")
pedialang("John_McCarthy_(computer_scientist)", lllang = "zh")

chainsawriot/pediarr documentation built on May 13, 2019, 3:11 p.m.