oai_metadata(x = c("date", "publisher", "author", "title", "Study.id", "attributes"), metadata = NULL, ...)
search_metadata
function. if not specified will download latest copy from
treebase. Pass in the value during repeated calls to
speed function runtime substantiallysearch_metadata
a list of values matching the query
Search the OAI-PMH metadata by date, publisher, or identifier
## <strong>Not run</strong>: # # automatically search each time # dates <- oai_metadata("date") # pub <- oai_metadata("publisher") # table(dates, pub) # ## <strong>End(Not run)</strong> # Using cached data from an earlier download data(metadata) dates <- oai_metadata("date", metadata=metadata)Error in eval(expr, envir, enclos): could not find function "oai_metadata" Error in eval(expr, envir, enclos): could not find function "oai_metadata" Error in table(dates, pub): object 'dates' not found