Explore 'Wikidata' Through Tidy Data Frames

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Documentation for package ‘tidywikidatar’ version 0.5.9

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tw_check_cache Check caching status in the current session, and override it upon request
tw_check_cached_items Check if given items are present in cache
tw_check_cache_folder Checks if cache folder exists, if not returns an informative message
tw_check_cache_index Check if cache table is indexed
tw_check_pid Ensures that input appears to be a valid Wikidata property id (i.e. it starts with P and is followed only by digits)
tw_check_qid Ensures that input appears to be a valid Wikidata id
tw_check_search Checks if an input is a search; if not, it tries to return a search
tw_connect_to_cache Return a connection to be used for caching
tw_create_cache_folder Creates the base cache folder where 'tidywikidatar' caches data.
tw_disable_cache Disable caching for the current session
tw_disconnect_from_cache Ensure that connection to cache is disconnected consistently
tw_empty_image_metadata A zero-rows tibble used internally when 'tw_get_image_metadata()' would not return any value.
tw_empty_item A zero-rows tibble used internally when 'tw_get()' would not return any value.
tw_empty_qualifiers A zero-rows tibble used internally when 'tw_get_qualifiers()' would not return any value.
tw_empty_search A zero-rows tibble used internally when 'tw_search()' would not return any value.
tw_empty_wikipedia_category_members A zero-rows tibble used internally when 'tw_empty_wikipedia_category_members()' would not return any value.
tw_empty_wikipedia_page A zero-rows tibble used internally when 'tw_get_wikipedia_page_qid()' would not return any value.
tw_empty_wikipedia_page_links A zero-rows tibble used internally when 'tw_get_wikipedia_page_links()' would not return any value.
tw_empty_wikipedia_page_sections A zero-rows tibble used internally when 'tw_get_wikipedia_page_sections()' would not return any value.
tw_enable_cache Enable caching for the current session
tw_extract_qualifier Extract qualifiers from an object of class Wikidata created with 'WikidataR'
tw_extract_single Extract item data from an object of class Wikidata created with 'WikidataR'
tw_filter Filter search result and keep only items with matching property and Q identifier
tw_filter_first Filter search result and keep only and keep only the first match
tw_filter_people Filter search result and keep only people
tw_get Return (most) information from a Wikidata item in a tidy format
tw_get_all_with_p Get all items that have a given property (irrespective of the value)
tw_get_cached_item Retrieve cached item
tw_get_cached_qualifiers Retrieve cached qualifier
tw_get_cached_search Retrieve cached search
tw_get_cached_wikipedia_category_members Gets members of Wikipedia categories from local cache
tw_get_cached_wikipedia_page_links Gets links of Wikipedia pages from local cache
tw_get_cached_wikipedia_page_qid Gets id of Wikipedia pages from local cache
tw_get_cached_wikipedia_page_sections Gets sections of Wikipedia pages from local cache
tw_get_cache_db Get database connection settings from the environment
tw_get_cache_file Gets location of cache file
tw_get_cache_folder Set folder for caching data
tw_get_cache_table_name Gets name of table inside the database
tw_get_description Get Wikidata description in given language
tw_get_field Gets a field such a label or description from a dataframe typically generated with 'tw_get()'
tw_get_image Get image from Wikimedia Commons
tw_get_image_metadata Get metadata for images from Wikimedia Commons
tw_get_image_metadata_single Get metadata for images from Wikimedia Commons
tw_get_image_same_length Get image from Wikimedia Commons
tw_get_label Get Wikidata label in given language
tw_get_language Set language to be used by all functions
tw_get_p Get Wikidata property of an item as a vector or list of the same length as input
tw_get_p1 Get Wikidata property of an item as a character vector of the same length as input
tw_get_property Get Wikidata property of one or more items as a tidy data frame
tw_get_property_description Get description of a Wikidata property in a given language
tw_get_property_label Get label of a Wikidata property in a given language
tw_get_property_label_single Get label of a Wikidata property in a given language
tw_get_property_same_length Get Wikidata property of an item as a vector or list of the same length as input
tw_get_property_with_details Gets all details of a property
tw_get_property_with_details_single Gets all details of a property
tw_get_p_wide Efficiently get a wide table with various properties of a given set of Wikidata identifiers
tw_get_qualifiers Get Wikidata qualifiers for a given property of a given item
tw_get_qualifiers_single Get Wikidata qualifiers for a given property of a given item
tw_get_single Return (most) information from a Wikidata item in a tidy format from a single Wikidata identifier
tw_get_wikipedia Get URL to a Wikipedia article corresponding to a Wikidata Q identifier in given language
tw_get_wikipedia_base_api_url Facilitates the creation of MediaWiki API base URLs
tw_get_wikipedia_category_members Get all Wikidata Q identifiers of all Wikipedia pages (or files, or subcategories) that are members of the given category,
tw_get_wikipedia_category_members_single Get all Wikidata Q identifiers of all Wikipedia pages that appear in a given page
tw_get_wikipedia_page_links Get all Wikidata Q identifiers of all Wikipedia pages that appear in one or more pages
tw_get_wikipedia_page_links_single Get all Wikidata Q identifiers of all Wikipedia pages that appear in a given page
tw_get_wikipedia_page_qid Gets the Wikidata Q identifier of one or more Wikipedia pages
tw_get_wikipedia_page_qid_single Gets the Wikidata id of a Wikipedia page
tw_get_wikipedia_page_sections Get sections of a Wikipedia page
tw_get_wikipedia_page_sections_single Get all Wikidata Q identifiers of all Wikipedia pages that appear in a given page
tw_get_wikipedia_page_section_links Get links from a specific section of a Wikipedia page
tw_get_wikipedia_sections_api_url Facilitates the creation of MediaWiki API base URLs to retrieve sections of a page
tw_get_wikipedia_section_links_api_url Facilitates the creation of MediaWiki API base URLs to retrieve sections of a page
tw_index_cache_item Add index to caching table for search queries for increased speed
tw_index_cache_search Add index to caching table for search queries for increased speed
tw_label Gets labels for all columns with names such as "id" and "property".
tw_qid_airports The Wikidata Q identifier of European airports found in Eurostat's 'avia_par_' dataset
tw_qid_meps The Wikidata Q identifier of all members of the European Parliament since its establishment
tw_query Perform simple Wikidata queries
tw_reset_item_cache Reset qualifiers cache
tw_reset_qualifiers_cache Reset qualifiers cache
tw_reset_wikipedia_category_members_cache Reset Wikipedia category members cache
tw_reset_wikipedia_page_cache Reset Wikipedia page cache
tw_reset_wikipedia_page_links_cache Reset Wikipedia page link cache
tw_reset_wikipedia_page_sections_cache Reset Wikipedia page link cache
tw_search Search for Wikidata items or properties and return Wikidata id, label, and description.
tw_search_item Search for Wikidata properties in Wikidata and return Wikidata id, label, and description.
tw_search_property Search for Wikidata properties in Wikidata and return Wikidata id, label, and description.
tw_search_single Search for Wikidata items or properties and return Wikidata id, label, and description.
tw_set_cache_db Set database connection settings for the session
tw_set_cache_folder Set folder for caching data
tw_set_language Set language to be used by all functions
tw_test_items A list mostly used for testing with some Wikidata items in the format resulting from 'WikidataR::get_item()'
tw_write_item_to_cache Writes item to cache
tw_write_qid_of_wikipedia_page_to_cache Write Wikidata identifier (qid) of Wikipedia page to cache
tw_write_qualifiers_to_cache Write qualifiers to cache
tw_write_search_to_cache Writes search to cache
tw_write_wikipedia_category_members_to_cache Write Wikipedia page links to cache
tw_write_wikipedia_page_links_to_cache Write Wikipedia page links to cache
tw_write_wikipedia_page_sections_to_cache Write Wikipedia page links to cache