A data frame summarizing the metadata by site_id, aru_type, aru_id,
and (optionally) by date. Presents the number of files, directories, and days
worth of recordings, as well as the minimum and maximum recording times.
Arguments
df
Data frame. Either meta data (clean_metadata()) or GPS
coordinates (clean_gps())
check
Character. Character vector of columns to check for missing
values. Default is site_id, aru_id, date, date_time, longitude
and latitude.
path
Logical. Whether to return just the file paths which have missing
attributes. Default FALSE
date
Logical. Whether to summarize output by date (as well as
site_id and aru_id. Default FALSE.