如果是的话，你对序列的相关性和由相关的平滑序列所导致的自由度降低作出解释了吗？
If so have you accounted for serial correlation and the reduction in degrees of freedom brought about by correlating smoothed series?
由历史数据推测未来趋势的众多方法中较突出的有：时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
Prominent among the various techniques that can help to extrapolate past date into future trends are the following:time series, least squares method, exponential smoothing, regression and correlation.
结论：可以利用指数平滑法对霜霉病一维时间序列进行预测。
Conclusion: The exponential smoothing method could be employed to forecast a time series of one dimension for cucumber downy disease.
应用推荐