The Chaplain and the Social Worker Even if we disregard the opinion of those who believe that the most important function of a chaplain in a mental hospital is to run the patients' library, I think we must admit that a chaplain's duties are such that he must perforce be very much involved in attending to the social needs of patients and staff. I should feel sorry however, for the newly appointe...

How age-conscious are human resource policies? Using a survey of Dutch employers, we examine how employers deal with the prospect of an ageing work force. We supplement our analysis with an additional survey of Dutch employees to compare human resource policies to practices. Results show that a small minority of employers are taking measures to enhance productivity (training programmes) or brin...

Cross-validation is a widely-used technique to estimate prediction error, but its behavior complex and not fully understood. Ideally, one would like think that cross-validation estimates the error for model at hand, fit training data. We prove this case linear by ordinary least squares; rather it average of models on other unseen sets drawn from same population. further show phenomenon occurs m...