不知道发上图没有,反正附件上有,汗一个
大家看ACF,第二个spike已经不明显了,可是第三个突出
大家说用MA时候,取一呢,还是从3开始试?
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楼主: zkyjesu
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5314
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[问答] 看图问问题,有关ACF的 |
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已卖:16份资源 副教授 54%
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回帖推荐wenpan9933 发表于3楼 查看完整内容 MA模型的阶数看自相关系数的截尾性,从图形上看,自相关图是3阶截尾的,而且2阶不显著,所以MA模型可以只包括MA(1)和MA(3)。
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the more I see the less I know
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the more I see the less I know
the more like to let it go |
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爱智慧;hanxiao528;panjian39 ;夸克之一;np84;yyxf ;007jg ;nkunku;*****xyz;
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the more I see the less I know
the more like to let it go |
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the more I see the less I know
the more like to let it go |
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the more I see the less I know
the more like to let it go |
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the more I see the less I know
the more like to let it go |
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