I found that some people (including me) want to know which of theirs observations are first for some area.
I found simple procedure.
- Export data for desired place.
I export all Croatian research data.
Query quality_grade= research &identifications= any &place_id= 8196 &hrank= species &verifiable= true
Columns user_login, created_at, quality_grade, scientific_name
Import data in Excel, then order first by name, then date of creation, and at the end order by user login.
At next free column, at the second row add this formula ( =IF(A2<>A1;C2;"") ) and then apply this formula to entire column by dragging or using ctrl+shift+end and ctrl+d.
This will look something like this:
At the end use filter on this last column to filter only cases where your name appears.
I hope that this will help someone :)