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- Refinement and Validation of In-Situ Parameter Estimation Models
- This paper discusses the refinement and validation of in-Situ parameter estimation models. The validation of the parameter estimation method must be based on high-quality input data in order to increase the confidence in the parameter estimation model. This is to be done using a medium-scale borehole apparatus that was constructed...
- White papers 2000-03-24
Additional Resources
- "Counting Your Customers" the Easy Way: An Alternative to the Pareto/NBD Model
- Today's managers are very interested in predicting the future purchasing patterns of their customers, which can then serve as an input into "Lifetime value" calculations. The Pareto/NBD Model has high regards. But despite the respect it has earned, it has proven to be a difficult model to implement, particularly because...
- White papers 2004-04-01
- Counting Your Customers? the Easy Way: An Alternative to the Pareto/NBD Model
- "Today?s researchers are very interested in predicting the future purchasing patterns of their customers, which can then serve as an input into ?lifetime value? calculations. Among the models that provide such capabilities, the Pareto/NBD ?Counting Your Customers? framework is highly regarded. But despite the respect it has earned, it has...
- White papers 2003-08-01
- Generalized method of moments estimation when a parameter is on a boundary.
- This article establishes the asymptotic distributions of generalized method of moments GMM estimators when the true parameter lies on the boundary of the parameter space. The conditions allow the estimator objective function to be nonsmooth and to depend on preliminary estimators. The boundary of the parameter space may be curved...
- Research articles 2002-10-01
- Modeling Consideration Sets And Brand Choice Using Artificial Neural Networks
- The concept of consideration sets makes brand choice a two-step process. Households first construct a consideration set which not necessarily includes all available brands and conditional on this set they make a final choice. This paper puts forward a parametric econometric model for this two-step process, where consideration sets usually...
- White papers 2000-07-31
- A Stochastic Model of Language Evolution That Incorporates Homoplasy and Borrowing
- The inference of evolutionary history, whether in biology or in linguistics, is aided by a carefully considered model of the evolutionary process and a reconstruction method which is expected to produce a reasonably accurate estimation of the true evolutionary history when the real data match the model assumptions and are...
- White papers 2005-01-06
- Modeling Potentially Time - Varying Effects of Promotions on Sales
- It is seen that in practical cases the effects of promotion are not constant over time. Therefore, this paper proposes a new and rather parsimonious econometric model for the purpose of measuring the effects of promotions, while allowing for time-variation in these effects. This paper discusses representation and interpretation of...
- White papers 2001-01-01
- Simple Mathematical Model for Recognition and Visualization of Atrial Enlargement Using the DECARTO Technique
- For diagnostic recognition of the atrial enlargement with the use of a corrected orthogonal lead system, a simple mathematical model is proposed to provide visualization of the electrophysiological and anatomical characteristics of the heart atria. The atrial depolarization process is depicted in the form of a map on spherical surface...
- White papers 2005-06-13
- Investigating Product Development Process Reliability And Robustness Using Simulation
- This paper uses the design structure matrix to model and simulate the performance of product development processes. Although simulation is a powerful tool for analysing process performance, its ability is limited by the availability of accurate input information. Design structure matrix simulation requires process data that is hard to assess...
- White papers 2006-11-09
- Information Value And Risk Premium In Agricultural Production: The Case Of Split Nitrogen Application For Corn
- This article considers an agricultural production model of sequential nitrogen application under risk. Because of random shocks between subsequent production stages, optimal fertilization decisions depend on the magnitude of farmers' risk aversion risk premium, and the possibility for farmers to process information value of information. We propose a joint estimation...
- Research articles 2000-02-01
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