The previous illustration is in this link This post is mainly talking about the error fixed in the MM estimator. The biggest error of the MM estimator in derivation and code is that: The error is: In the matrices, I used the scalar 1 to replace identity matrix I. For example, using (1-K) to re...
The previous handwriting derivation is in this link
Big picture The deficiency of the current derivation is marked red color, which would be extended in the next week.