Creation of a new column based on grouping of other columns
Hi All,I am trying to create a new column "Status" which will return "Active" or "Replaced" based on the following specification (attached part of the table with "Status" column as illustration of expected result). Each TOOL and Site can replace different Sub_Tool during time and runs several units with its time stamp. The most recent Sub_Tool for the specific Tool and Site should receive Active ...
vince_faller