Some Results on the Distribution of Quadratic Forms in Normal Variables

A Compact Explicit Distribution for the Positive Definite Quadratic Forms in Normal Variates

Another Look at Partitioned Ridge Regression Estimators

The Sampling Distribution of Ridge Parameter Estimator

Stochastic and Deterministic Study of Ridge Regression

The Statistical Curvature of Seemingly Unrelated Unrestricted Regression Equations. By:

Non-Negative Estimators of Variance Components for Balanced Data

A new Method to Estimate the Parameters of Quadratic Regression

A New Method for Generating the Design Matrix of a Linear Regression Model

Coefficient of Determination for Random Coefficient Regression Model.