Nature

Regression diagnostics

Residual plots can be used to validate assumptions about the regression model. Figure 1: Residual plots are helpful in assessments of nonlinear trends and heteroscedasticity. A formal test of lack of ...
JSTOR Daily

Linear Regression with Non-Constant, Unknown Error Variances: Sampling Experiments with Least Squares, Weighted Least Squares and Maximum Likelihood Estimators

John A. Jacquez, Frances J. Mather and Charles R. Crawford The theory of simple linear regression is extended to the case of non-uniform error variances for the ...
Investopedia

Understanding Homoskedasticity in Regression Modeling With Examples

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...
JSTOR Daily

Characterizations of Distributions by Constant Regression of Quadratic Statistics on a Linear One

This is a preview. Log in through your library . Abstract Characterizations of the normal, Poisson and gamma distributions are obtained from the condition of constant regression of a quadratic ...