Returns the comparison unit's data for a statistic.
Only accurate once the INSPECT_ACHIEVEMENT_READY event has fired following a call to SetAchievementComparisonUnit(). No longer accurate once ClearAchievementComparisonUnit() is called.
See also Achievement functions.
Signature:
info = GetComparisonStatistic(id)
Arguments:
id- The numeric ID of a statistic (number)
Returns:
info- The comparison unit's data for the statistic, or "--" if none has yet been recorded for it (string)