Regression with Linear Predictors III commercial hardware and software products and the use of commercial hardware and software products are used to illustrate the material Backing up the pioneering medical researchers and experi menters are the phalanxes and cohorts of practising clinicians in district general hospitals and in general practice who may have to implement and apply any breakthroughs and advances in practical and realistic terms ect of a single explanatory variable in a multiple regression model can be interpreted in a way similar to that obtained in the simple analysis testing for linearity and studying interactions