The data collected by the loop detector, have the characteristics of time series, and have much to do with the detector's location.
通过环形线圈检测器采集的数据，不仅具有时间序列的特性，而且与其所处的空间位置有很大的关系。
The basic idea and some kinds of the common time series models and the development characteristics of time series are explained in detail.
详细阐明了时间序列的基本思想、几种基本时序模型和时序动态特征，讨论分析了如何进行模型识别、模型参数计算和模型的定阶。
However, the oil futures prices involve the typical characteristics of time series data, nonlinearity and nonstationarity, which brings insuperable difficulties in the price forecasts.
然而石油期货价格具有时间序列数据的典型特点，即非线性和非平稳性，这给价格的预测带来了极大的困难。
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