Add column with sequence for each row to a sf object
brk_timeline(sf, key, from, to, by)
object of class sf or sfc
a character string used as name of the new column
the starting value of the sequence. Of length 1 unless just from is supplied as an unnamed argument.
the end (maximal) value of the sequence. Of length 1 unless just from is supplied as an unnamed argument.
number: increment of the sequence.