Collopy Fred

Fred Collopy

Information about the author Fred Collopy will soon be added to the site.
Found 10 papers in total
Decomposition by causal forces: a procedure for forecasting complex time series
Decomposition by causal forces: a procedure for forecasting complex time series
2005
Causal forces are a way of summarizing forecasters' expectations about what will...
Identification of asymmetric prediction intervals through causal forces
Identification of asymmetric prediction intervals through causal forces
2001
When causal forces are specified, the expected direction of the trend can be compared...
Automatic identification of time series features for rule-based forecasting
Automatic identification of time series features for rule-based forecasting
2001
Rule-based forecasting (RBF) is an expert system that uses features of time series to...
An application of rule-based forecasting to a situation lacking domain knowledge
An application of rule-based forecasting to a situation lacking domain knowledge
2000
Rule-based forecasting (RBF) uses rules to combine forecasts from simple extrapolation...
How effective are neural networks at forecasting and prediction? A review and evaluation
How effective are neural networks at forecasting and prediction? A review and evaluation
1998
Despite increasing applications of artificial neural networks (NNs) to forecasting...
Biases in retrospective self-reports of time use: An empirical study of computer users
Biases in retrospective self-reports of time use: An empirical study of computer users
1996
Research on information systems use has often relied upon retrospective self-reports....
The role and validity of judgment in forecasting
The role and validity of judgment in forecasting
1996
All forecasting methods involve judgment but forecasting techniques are often...
Expert opinions about extrapolation and the mystery of the overlooked discontinuities
Expert opinions about extrapolation and the mystery of the overlooked discontinuities
1992
The authors report on the opinions of 49 forecasting experts on guidelines for...
Rule-based forecasting: Development and validation of an expert systems approach to combining time series extrapolations
Rule-based forecasting: Development and validation of an expert systems approach to combining time series extrapolations
1992
This paper examines the feasibility of rule-based forecasting, a procedure that...
Error measures for generalizing about forecasting methods: Empirical comparisons
Error measures for generalizing about forecasting methods: Empirical comparisons
1992
This study evaluated measures for making comparisons of errors across time series. The...
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