Four indices were chosen to assess the fittness of the models,which are residual standard error( RSE ),correlation index( CRI ),average of absolute deviation( AAD ),and average of absolute relative deviation( AARD ).

• 又选择了剩余标准差 (RSE)、相关指数 (CRI)、偏差绝对值的平均值 (AAD)和相对偏差绝对值的平均值 (AARD)作为模型拟合优劣的 4个评价指标。