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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Investigating discrepancy in computer model predictions
Investigating discrepancy in computer model predictionsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Mustapha Amrani. Design and Analysis of Experiments In most computer model predictions, there will be two sources of uncertainty: uncertainty in the choice of model input parameters, and uncertainty in how well the computer model represents reality. Dealing with the second source of uncertainty can be difficult, particularly when we have no field data with which to compare the accuracy of the model predictions. We propose a framework for investigating the “discrepancy” of the computer model output: the difference between the model run at its ‘best’ inputs and reality, which involves ‘opening the black box’ and considering structural errors within the model. We can then use sensitivity analysis tools to identify important sources of model error, and hence direct effort into improving the model. Illustrations are given in the field of health economic modelling. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:
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