Merges 2 data-frames (device and grader) into long format
Usage
merge_device_grader_long(df1, df2, variable)
Arguments
- df1
Grader data-frame in long format.
- df2
Device data-frame in long format.
- variable
A valid column name denoting the variable of interest.
Value
A merged long data-frame of device and grader data, based on common body_no and kill_date combinations.
