幽一默

看multicollinearity的问题看到头大的时候,出现了这么一段话,可见搞统计的知道我们这些学生不容易,时不时抖个包袱,逗读者哈哈
When students run their first ordinary least squares (OLS) regression, the first problem that they usually encounter is that of multicollinearity. Many of them conclude that there is something wrong with OLS; some resort to new and often creative techniques to get around the problem. But, we tell them, this is wrong. Multicollinearity is Gods’ will, not a problem with OLS or statistical technique in general.
 
——Blanchard, O.J., Comment, Journal of Business and Economic Statistics, vol.5, 1967:449-451. The quote is reproduced from Peter Kennedy, A Guide to Econometrics, 4th ed., MIT Press, Cambridge, Mass., 1998:190.

About Hongwei Xu

I'm a social demographer, a single-child, a husband, and a father.
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1 条 幽一默 的回复

  1. Yin说道:

    come on, it‘s social science. how can there be no multicollinearity in our regression

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