Let’s consider the usual linear regression model, with the full set of assumptions: y = Xβ + ε ; ε ~ N , (1)where X is a non-random (n × k) mat...

In a recent post, I discussed some statistical consultancy I was involved with. I was quite proud of the nice ggplot2 graphics I had created. The graphs nicely summarised the main points of the paper: I’ve just had the proofs from the journal, and next to the graphs there is the following note: It is

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