• 2022-11-02
    ARlMA((2,4),2,(1,4))该模型的ACF( )(选拖尾、截尾),pACF( )(选拖尾、截尾),其中AR中延迟( )阶和( )阶的参数有效,MA中延迟( )阶和( )阶的参数无效