update_rank_diff: Update the rank differences of the teams.
Description
Update the rank differences of the teams.
Usage
update_rank_diff(best_new, best_old)
Arguments
best_new
data.frame
of the best submissions per team as returned
by get_best
.
best_old
old data.frame
of the best submissions per team and per metric.
Value
update_rank_diff
returns the input data.frame
best_new
with an
updated column rank_diff