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- Title
Probability Forecasts and Their Combination: A Research Perspective.
- Authors
Winkler, Robert L.; Grushka-Cockayne, Yael; Lichtendahl Jr., Kenneth C.; Jose, Victor Richmond R.
- Abstract
We explore some recent, and not so recent, developments concerning the use of probability forecasts and their combination in decision making. Despite these advances, challenges still exist. We expand on some important challenges influencing the "goodness" of combined probability forecasts such as miscalibration, dependence among forecasters, and selection of an appropriate evaluation measure while connecting the processes of aggregating and evaluating forecasts to decision making. Through three important applications from the domains of meteorology, economics, and political science, we illustrate state-of-the-art usage of probability forecasts: how they are combined, evaluated, and communicated to stakeholders. We expect to see greater use and aggregation of probability forecasts, especially given developments in statistical modeling, machine learning, and expert forecasting; the popularity of forecasting competitions; and the increased reporting of probabilities in the media. Our vision is that increased exposure to and improved visualizations of probability forecasts will enhance the public's understanding of probabilities and how they can contribute to better decisions.
- Subjects
FORECASTING; DECISION making; PROBABILITY theory; STATISTICAL models; FUZZY sets; MACHINE learning
- Publication
Decision Analysis, 2019, Vol 16, Issue 4, p239
- ISSN
1545-8490
- Publication type
Article
- DOI
10.1287/deca.2019.0391