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Items for "efficiency"

Enhancing Operational Efficiency of Automated Suburban Rapid Rail Transit with Demand-dependent Control of Train Service

Apart from the full automation of urban rapid rail transit lines the subsequent automation of existing lines is of major importance...

Keywords: automation, supply control, demand-oriented, rapid rail transit, efficiency

07/2006 | at – Automatisierungstechnik, Oldenbourg Wissenschaftsverlag

Parametric and semiparametric inference for shape: the role of the scale functional

We are considering the problem of efficient inference on the shape matrix of an elliptic distribution with unspecified location and either (a) fully specified radial density, (b) radial density specified up to a scale parameter, or (c) completely unspecified radial density...

Keywords: elliptical densities, shape matrices, local asymptotic normality, efficiency

03/2006 | Statistics & Decisions, Oldenbourg Wissenschaftsverlag

A Computer Program to Estimate Power and Relative Efficiency of Flexibly Matched Case-control Studies

Objectives: We recently introduced the concept of flexible matching strategies with varying proportions of a dichotomous matching factor among controls to increase power and efficiency of case-control studies...

Keywords: Case-control studies, confidence intervals, efficiency, epidemiologic methods, Research design, sample size

01/2005 | Methods of Information in Medicine, Schattauer

An Efficient Randomized Quasi-Monte Carlo Algorithm for the Pareto Distribution

This paper studies a new randomized quasi-Monte Carlo method for estimating the mean and variance of the Pareto distribution...

Keywords: Discrepancy, efficiency, Goodness-of-fit test, mean square error, Quasi-Monte Carlo methods, Random number generation

04/2007 | Monte Carlo Methods and Applications, Walter de Gruyter

Estimating the error distribution function in semiparametric regression

We prove a stochastic expansion for a residual-based estimator of the error distribution function in a partly linear regression model...

Keywords: local linear smoother, i.i.d. representation, Donsker class, efficiency

01/2007 | Statistics & Decisions, Oldenbourg Wissenschaftsverlag