spq_head: Return the first lines of results

In lvaudor/glitter: glitter makes SPARQL

Return the first lines of results

Description

Return the first lines of results

Usage

spq_head(.query, n = 5)

Arguments

.query	a list with elements of the query
n	the maximum number of lines to return

Value

A query object

Subsetting

spq_offset() and spq_head() are only useful when used with spq_arrange() that makes the order of results predictable.

Examples

# Return the default of 5 items
spq_init() %>%
spq_add("?item wdt:P31 wd:Q5") %>%
spq_label(item) %>%
spq_add("?item wdt:P19/wdt:P131* wd:Q60") %>%
spq_add("?item wikibase:sitelinks ?linkcount") %>%
spq_arrange(desc(linkcount)) %>%
spq_head()

# Return 42 items
spq_init() %>%
spq_add("?item wdt:P31 wd:Q5") %>%
spq_label(item) %>%
spq_add("?item wdt:P19/wdt:P131* wd:Q60") %>%
spq_add("?item wikibase:sitelinks ?linkcount") %>%
spq_arrange(desc(linkcount)) %>%
spq_head(42)

lvaudor/glitter documentation built on Jan. 30, 2024, 1:34 a.m.