EVALUATION INDEXES
N
ER =
∑
NY avg
∑
Q p , i − Q ps ,i × 100
i =1
NQ
∑T
p ,i
− T ps , i
i =1
Absolute Peak Time Error N
N
RMSE =
Percent Absolute Peak Error [%]
p , avg
N
ET =
Percent Absolute Event Runoff Error [%]
× 100
i =1
N
EP =
Bi
∑ (S
− Oi )
2
i
Root Mean Square Error
i =1
N
89TH AMS Annual Meeting, Phoenix, January 2009