The Head to Head Compare view allows you to compare the ratings of two assessable
records of the same type. Select an assessable record from the choice list to compare against
the current record's trailing twelve month (TTM) ratings.
Head to head compare
The Diff column displays the difference between each assessable record's most recent TTM
ratings. By default, the system selects the first assessable record in the list when you
open this view. The scorecard displays three years of ratings for the comparison record. All
ratings are expressed as averages.그림 1. Scorecard head to head compare
Overall Rating
The Overall Rating is
calculated as:
(sum of normalized values in category result) / (number of assessment groups)