نتایج جستجو برای: statistical modeling

تعداد نتایج: 737862  

Journal: :Journal of the American Statistical Association 1989

Journal: :Journal of Urban and Environmental Engineering 2013

Journal: :Computer Modeling in Engineering & Sciences 2021

1992
Jeffrey Parsons Yair Wand

The notion of class is widely used in systems analysis and data modeling methodologies and is fundatnental to emergitig object-oriented approaches. However, there are no theory-based guidelines for evaluating the quality of a collection of classes selected to model an application. In this paper, we assume that the class is used as a modeling construct in an effort to follow more closely the way...

ژورنال: اندیشه آماری 2021

Economic theories seek a scientific explanation or prediction of economic phenomena using a set of axiom, defined expressions, and theorems. Mathematically explicit economic models are one of these theories. Due to the unknown structure of each model, the existence of measurement error in economic committees and failure of Ceteris Paribus; the Synthetic of any economic theory requires probabili...

2003
Yu Du Wulin Suo

In this paper, we investigate whether the theoretical default probability measures calculated from Merton’s (1974) structural credit risk model can provide a better way to explain and predict credit rating than traditional statistical models. The empirical results suggest that Merton’s theoretical default measure is not a sufficient statistic of equity market information concerning credit quali...

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