Country: United Kingdom

Found 17295 papers in total
Modelling non-normal first-order autoregressive time series
Modelling non-normal first-order autoregressive time series
1994,
This paper first reviews some non-normal stationary first-order autoregressive models....
Time-series forecasting using fractional differencing
Time-series forecasting using fractional differencing
1994,
The main failure of ARIMA modelling as used in practice are the limiting constraints...
Towards a taxonomy of forecast error measures: A factor-comparative investigation of forecast error dimensions
Towards a taxonomy of forecast error measures: A factor-comparative investigation of forecast error dimensions
1994,
This study explores the nature of information conveyed by 14 error measures drawn from...
A comparison of Box-Jenkins and objective methods for determining the order of a non-seasonal ARMA model
A comparison of Box-Jenkins and objective methods for determining the order of a non-seasonal ARMA model
1994,
This paper evaluates different procedures for selecting the order of a non-seasonal...
Identifying treatment effects in univarate time series using a joint estimation procedure
Identifying treatment effects in univarate time series using a joint estimation procedure
1994,
Researchers use interrupted time-series analysis to identify the influence of...
Are economic forecasts valuable?
Are economic forecasts valuable?
1994,
A previous study questioned whether the published forecasts of one forecasting...
Selecting appropriate forecasting models using rule induction
Selecting appropriate forecasting models using rule induction
1994,
Forecasting is a critical activity for numerous organizations. It is often costly and...
Seven components of judgmental forecasting skill: Implications for research and the improvement of forecasts
Seven components of judgmental forecasting skill: Implications for research and the improvement of forecasts
1994,
A decomposition of the Brier skill score shows that the performance of judgmental...
Metagraphs
Metagraphs
1995,
Graph-theoretic constructs are widely used in the modeling and analysis of systems....
Testing for unreliable estimators and insignificant forecasts in combined forecasts
Testing for unreliable estimators and insignificant forecasts in combined forecasts
1994,
The reliability and precision of the weights used in combining individual forecasts,...
An analysis of the El/Ek/1 queueing system by restricted minimal lattice paths
An analysis of the El/Ek/1 queueing system by restricted minimal lattice paths
1995,
The usual procedure for obtaining the equilibrium probability distribution of the...
Development options for a rural community in Belize-Alternative Development and Operational Research
Development options for a rural community in Belize-Alternative Development and Operational Research
1994,
This paper describes a project undertaken in Belize, Central America, to look at...
Education in OR/MS at a glance: Results of the first IFORS survey
Education in OR/MS at a glance: Results of the first IFORS survey
1994,
An IFORS survey was prepared during 1990/1991 to obtain an international picture of...
Forty years on: Challenges and successes
Forty years on: Challenges and successes
1994,
This paper is the Inaugural Address of the President of the U.K. Operational Research...
A relativist approach to studying the social construction of information technology
A relativist approach to studying the social construction of information technology
1994,
Recently, attention has been paid to relativist methods for studying the...
Solution of optimal control problems on a parallel machine using the epsilon method
Solution of optimal control problems on a parallel machine using the epsilon method
1995,
Using Balakrishnan’s epsilon formulation and the Rayleigh-Ritz method with a...
Reduced-order state space models for control of metal-forming processes
Reduced-order state space models for control of metal-forming processes
1995,
This paper describes a systematic procedure to build reduced-order analytical models...
Cognitive processes and operational research: A human information processing perspective
Cognitive processes and operational research: A human information processing perspective
1994,
This paper discusses the practice and process of Operational Research OR in the light...
Numerical methods for HJB equations of optimization problems for piecewise deterministic systems
Numerical methods for HJB equations of optimization problems for piecewise deterministic systems
1995,
This paper deals with numerical methods for the optimization of piecewise, stationary...
Disarming defences
Disarming defences
1994,
Accounts of ‘soft’ Operational Research methods tend to give a single...
Some recurring themes in using Soft Systems Methodology
Some recurring themes in using Soft Systems Methodology
1994,
The object of inquiry in this paper is all organisation-based M.Sc. student projects...
Combining experts’ opinions using a Normal-Wishart model
Combining experts’ opinions using a Normal-Wishart model
1995,
This paper examines how a Bayesian decision maker might update his/her distributions...
A new methodology for formulating ill-structured problems
A new methodology for formulating ill-structured problems
1994,
A four phase model is presented in which problem generation and problem formulation...
An O(Nlog(1/ℝà)) algorithm for the two-resource allocation problem with a non-differentiable convex objective function
An O(Nlog(1/ℝà)) algorithm for the two-resource allocation problem with a non-differentiable convex objective function
1995,
This paper considers a job consisting of N totally ordered tasks. There is a budget...
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