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Technology trends in econometric energy models: Ignorance or information
Boyd, G.; Kokkelenberg, E.; Ross, M. - 2008
Simple time trend variables in factor demand models can be statistically powerful variables, but may tell the researcher very little. Even more complex specification of technical change, e.g. factor biased, are still the economentrician's measure of ignorance'' about the shifts that occur in the...
Persistent link: https://www.econbiz.de/10009435383
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1996-2004 Trends in the Single-Family Housing Market: Spatial Analysis of the Residential Sector
Anderson, Dave M.; Elliott, Douglas B. - 2008
market. We analyzed mortgage application data to provide citable statistics and detailed geographic summarization of the …
Persistent link: https://www.econbiz.de/10009435444
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Methods for developing and validating survivability distributions
Williams, R.L. - 2008
A previous report explored and discussed statistical methods and procedures that may be applied to validate the survivability of a complex system of systems that cannot be tested as an entity. It described a methodology where Monte Carlo simulation was used to develop the system survivability...
Persistent link: https://www.econbiz.de/10009435451
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Savannah River Site human error data base development for nonreactor nuclear facilities
Benhardt, H.C.; Held, J.E.; Olsen, L.M.; Vail, R.E.; … - 2008
As part of an overall effort to upgrade and streamline methodologies for safety analyses of nonreactor nuclear facilities at the Savannah River Site (SRS), a human error data base has been developed and is presented in this report. The data base fulfills several needs of risk analysts supporting...
Persistent link: https://www.econbiz.de/10009435459
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The estimation of parameters in nonlinear, implicit measurement error models with experiment-wide measurements
Anderson, K.K. - 2008
Measurement error modeling is a statistical approach to the estimation of unknown model parameters which takes into account the measurement errors in all of the data. Approaches which ignore the measurement errors in so-called independent variables may yield inferior estimates of unknown model...
Persistent link: https://www.econbiz.de/10009435461
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Effect of initial seed and number of samples on simple-random and Latin-Hypercube Monte Carlo probabilities (confidence interval considerations)
ROMERO,VICENTE J. - 2008
In order to devise an algorithm for autonomously terminating Monte Carlo sampling when sufficiently small and reliable confidence intervals (CI) are achieved on calculated probabilities, the behavior of CI estimators must be characterized. This knowledge is also required in comparing the...
Persistent link: https://www.econbiz.de/10009435548
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Experimental uncertainty estimation and statistics for data having interval uncertainty.
Kreinovich, Vladik; Oberkampf, William Louis; Ginzburg, Lev - 2008
intervals. It reviews the application of basic descriptive statistics to data sets which contain intervals rather than …, interquartile range, moments, confidence limits, and other important statistics and summarizes the computability of these statistics … widths, etc.). It also reviews the prospects for analyzing such data sets with the methods of inferential statistics such as …
Persistent link: https://www.econbiz.de/10009435587
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A further study of the impact of bias on accountability
Harvey, T.R.; McGuire, S.A. - 2009
When measurements are obtained for the purpose of material accountability, any deviation of averages from true value is one of great concern. The key term here is true value. Any deviation of averages from their true value will result in inventory discrepancies. It will not matter that the bias...
Persistent link: https://www.econbiz.de/10009435607
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Minimum risk trigger indices
Tingey, F.H. - 2008
A viable safeguards system includes among other things the development and use of indices which trigger various courses of action. The usual limit of error calculation provides such an index. The classical approach is one of constructing tests which, under certain assumptions, make the...
Persistent link: https://www.econbiz.de/10009435678