Description Usage Arguments Details Value Author(s) Examples
The date of identification (dwc:dateIdentified) is earlier than the event date dateIdentified < eventDate
1 | identified_pre_event_flag(GBIF_Data)
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gbif_data |
Dataframe from GBIF with two mandatory fields; dateIdentified and eventDate. |
The function runs a quality check to find if the date of identification is before date of occurance. This is not possible at all as identification can only be done on or after occurance.
Same dataframe with two column; identifiedPreEventFlag, identifiedPreEventDiff
thiloshon <thiloshon@gmail.com>
1 2 | dat <- rgbif::occ_data(scientificName = 'Ursus americanus')
flagged_dat <- identified_pre_event_flag(dat$data)
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