A semi-parametric generalization of the proportional hazards regression model is defined, whereby the hazard functions can cross for different values of the covariates. In the two-sample comparison, ...

Xuming He, Li-Xing Zhu, A Lack-of-Fit Test for Quantile Regression, Journal of the American Statistical Association, Vol. 98, No. 464 (Dec., 2003), pp. 1013-1022 ...

Simple and Multiple Regression; Hypothesis Testing; Mechanics and Limitations of OLS; Causality; Natural, Field and Laboratory Experiments. Panel Data and Fixed Effect Models. Instrumental Variables ...

This course is compulsory on the BSc in Management. This course is available on the BSc in Accounting and Finance. This course is available as an outside option to students on other programmes where ...

Applied statistics is the discipline that transforms real‐world data into actionable information through a variety of rigorous methodologies, ranging from classical techniques such as regression ...

The F -test shown in the instrumental variables case is a valid test of the no-regression hypothesis that the true coefficients of all regressors are 0. However, because of the first-stage projection ...

The present study tests the hypothesis that elevated cerebrospinal fluid (CSF) concentrations of CRF and a secondary ACTH secretagogue, arginine vasopressin (AVP), are associated with diminished ...