We have to draw statistical inference by hypothesis testing, because we don't know the real data generation process of any time series.
对于一个实际的时间序列数据，我们并不知道其真正的数据生成过程，只能通过假设和基于假设的统计推断来确定。
We have to draw statistical inference by hypothesis testing, because we don't know the real data generation process of any time series.
对于一个实际的时间序列数据，我们并不知道其真正的数据生成过程，只能通过假设和基于假设的统计推断来确定。
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