几种预测法介绍１．时间数列分析预测法：根据预测项目的时间数列资料分析其发展变化规律，从而预测其未来的方法。优点是所需资料最少，只要有预测项目的历史统计资料即可。缺点是没有考虑到有关变量的影响。这一类的具体方法很多，主要有长期趋势模型预测、自回归模型预... Introduction to several prediction methods Time series analysis and forecasting method: According to the time series data of forecasting project, analyze its development and change rules so as to predict its future method. The advantage is that the minimum data required is as long as there are historical statistics for the forecasted project. The disadvantage is that it does not take into account the impact of the relevant variables. There are many specific methods in this category, including long-term trend model predictions, autoregressive model predictions...