Linear regression is a powerful and long-established statistical tool that is commonly used across applied sciences, economics and many other fields. Linear regression considers the relationship ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Line of best fit refers to a line through a scatter plot of data points that ...

Some outliers influence the regression fit more than others. Figure 1: Observations near the mean have less influence on the regression estimates and fitted values. Note that this adjustment also ...

In this article, we extend the information matrix tests proposed by White (1982) for detecting parametric model misspecification to the partial likelihood setting with particular interest in the Cox ...