Understanding Homoskedasticity in Regression Modeling With Examples

Discover the importance of homoskedasticity in regression models, where error variance is constant, and explore examples that ...
Nature

Regression to the mean, apparent data errors and biologically extraordinary results: letter regarding ‘changes in telomere length 3–5 years after gastric bypass surgery’

Given the extraordinary claim, we were eager to examine the supporting evidence and have noticed several issues that cause us to find the claim doubtful. In the low baseline TL subgroup (N=17), ...
Nature

Response to ‘Regression to the mean, apparent data errors, and biologically extraordinary results’

We thank Dr. Smith and colleagues for their careful review of published medical literature. We agree that scientific rigor is of greatest importance. However, we disagree with their review of ‘Changes ...
JSTOR Daily

On One-Step GM Estimates and Stability of Inferences in Linear Regression

The folklore on one-step estimation is that it inherits the breakdown point of the preliminary estimator and yet has the same large sample distribution as the fully iterated version as long as the ...