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Taking Perturbation to the Accuracy Frontier: A Hybrid of Local and Global Solutions
Dynare Perturbation Hybrid Accuracy Numerical methods Approximation
2015/7/21
Local (perturbation) methods compute solutions in one point and tend to deliver far lower accuracy levels than global solution methods. We develop a hybrid
method that solves for some policy function...
Prediction accuracy and sloppiness of log-periodic functions
Prediction accuracy sloppiness log-periodic functions
2010/10/20
We show that log-periodic power-law (LPPL) functions are intrinsically very hard to fit to time series. This comes from their sloppiness, the squared residuals depending very much on some combination...
Pre Holiday Scanner Survey Finds 98 Percent Accuracy Rate, Bronson Says
Scanner Survey Consumer Services
2006/12/21