Removing duplicate references obtained from different databases is an essential step when conducting and updating systematic literature reviews. ASySD (pronounced "assist") is a tool to automatically identify and remove duplicate records. This tool is available as an R package and a user-friendly shiny application.
An evaluation of ASySD's performance versus other automated deduplication tools is available as a preprint
install.packages("devtools")
devtools::install_github("camaradesuk/ASySD")
# load citations
citation_data <- load_search(filepath, method="endnote")
# deduplicate
dedup_citations <- dedup_citations(citation_data)
# get unique citation dataframe
unique_citations <- dedup_citations$unique