The forecast model includes three parts of the sequential auto-regression item, linear regression item and double-linear item.
预测模型包含时序自回归项、线性回归项和双线性项三部分。
According to the properties of model in grey forecasting theory, bi-auto-seeking-weight method was proposed and applied to forecast the economic sequences which rise and fall by a wide margin.
并对波动幅度较大的经济序列进行预测,表明该方法可以有效地提高预测精度。
GM's sales forecast points to continued growth, but it also means high-pitched growth in the Chinese auto industry is going to continue to slow this year and then slow down even more next year.
通用汽车的销售预估显示增长将持续,但也意味着今年中国汽车业增长将不断放缓,明年放缓更多。
GM's sales forecast points to continued growth, but it also means high-pitched growth in the Chinese auto industry is going to continue to slow this year and then slow down even more next year.
通用汽车的销售预估显示增长将持续,但也意味着今年中国汽车业增长将不断放缓,明年放缓更多。
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