Absolute error = |V
true - V
observed|
Relative error = |V
true - V
observed| / |V
true|
Percentage error = (Relative error) × 100
The percentage error is 100% times the relative error.
AKA 백분율 오차
수학백과: 절대오차와 상대오차(https://terms.naver.com/entry.naver?docId=4125428&cid=60207&categoryId=60207)