Nothing
# Detect Elsevier SDG
detect_elsevier <- function(corpus, sdgs, verbose = FALSE) {
# filter queries based on selected sdgs
elsevier_queries <- elsevier_queries %>%
dplyr::filter(sdg %in% sdgs)
# get hits
hits <- search_corpus(corpus, elsevier_queries$query)
hits$sdg <- elsevier_queries$sdg[as.numeric(stringr::str_extract(hits$code, "[:digit:]+"))]
hits$query_id <- elsevier_queries$query_id[as.numeric(stringr::str_extract(hits$code, "[:digit:]+"))]
# exit if no hits
if (nrow(hits) == 0) {
return(NULL)
}
# prepare out
hits %>%
dplyr::select(-sentence) %>%
dplyr::mutate(
document = as.numeric(as.character(doc_id)),
feature = as.character(feature),
system = "Elsevier"
) %>%
dplyr::group_by(document, query_id) %>%
# paste features together
dplyr::summarise(
number_of_matches = dplyr::n(),
features = toString(feature),
dplyr::across(c(sdg, system), unique)
) %>%
dplyr::ungroup() %>%
# add hit id
dplyr::mutate(hit = 1:nrow(.)) %>%
dplyr::select(document, sdg, system, query_id, features, hit) %>%
dplyr::arrange(document, sdg, query_id)
}
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