我刚开始学应用线性回归分析,还是一头雾水。老师出了个题目,我一点思路都没有。
A student in accounting enthusiastically declared :“regression is a very
powerful tool.We can isolated fixed and variable costs by fitting a linear
regression moddel, even when we have no data for small lots.” Discuss.
希望大家给点思路,谢谢!