1. Error term could possibly be explained by adding additional independent variables.这句话中的adding additional independent variables是什么意思?为什么error term可以被这个解释?
2. A linear regression function assumes that the equation must be linear in the coefficients but not necessarily the variables. 这句话是什么意思?
谢谢帮助~~~作者: badonkus 时间: 2012-6-6 08:35
Would you take a look at Econometrics by Wooldridge, everything is explained clearly there.作者: tikfed 时间: 2012-6-6 08:35