In a regression problem, the number of degrees of freedom for the error estimate is the number of observations in the data set minus the number of parameters. The ...

Journal of the Royal Statistical Society. Series C (Applied Statistics) Oxford University Press is a department of the University of Oxford. It furthers the University's objective of excellence in ...

The least squares fit in a linear regression is always unique even when the design matrix has rank deficiency. In this paper, we extend this classic result to linearly constrained generalized lasso.

P. Richard Hahn does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In the world of higher education research, “success” is usually defined as a function of two statistics: enrollment and completion. Going by those two checkpoints, students experience very different ...

PROC SURVEYREG produces tests for the significance of model effects, regression parameters, estimable functions specified in the ESTIMATE statement, and contrasts specified in the CONTRAST statement.