Every time I think I know what's going on, suddenly there's another layer of complications.
RPubs - Ralph Smith’s Formal Script Symbol Fonts
RPubs - Notes for Explaining the Gibbs Sampler
RPubs - Center of a Taylor Series
RPubs - A detailed review on Iterative re-weighted least squares (IRLS) methods
RPubs - Deviance of the Poisson regression
RPubs - Consistency of MLE
RPubs - Conduct natural spline regression 'by hand'