نتایج جستجو برای: loss probability

تعداد نتایج: 653121  

Journal: :Cognition 2013
Adrian R Camilleri Ben R Newell

Previous research has shown that many choice biases are attenuated when short-run decisions are reframed to the long run. However, this literature has been limited to description-based choice tasks in which possible outcomes and their probabilities are explicitly specified. A recent literature has emerged showing that many core results found using the description paradigm do not generalize to e...

2014
Vygintas Gontis Aleksejus Kononovicius

We are looking for the agent-based treatment of the financial markets considering necessity to build bridges between microscopic, agent based, and macroscopic, phenomenological modeling. The acknowledgment that agent-based modeling framework, which may provide qualitative and quantitative understanding of the financial markets, is very ambiguous emphasizes the exceptional value of well defined ...

2010
Yu Zou Sang-Yeun Shim

Default loss distribution of corporate portfolios plays a crucial role in CDO tranche pricing, tracking error calculation and profit/loss assessment of corporation systems. This work gives an efficient algorithm to calculate the default loss distribution based on Hull-White probability bucketing approach and importance sampling method. The Gaussian copula model is assumed to calculate the condi...

Journal: :Physical review letters 2010
L Isenhower E Urban X L Zhang A T Gill T Henage T A Johnson T G Walker M Saffman

We present the first demonstration of a CNOT gate between two individually addressed neutral atoms. Our implementation of the CNOT uses Rydberg blockade interactions between neutral atoms held in optical traps separated by >8 microm. Using two different gate protocols we measure CNOT fidelities of F=0.73 and 0.72 based on truth table probabilities. The gate was used to generate Bell states with...

Journal: :Science 2008
Daniel Montoya Miguel A Zavala Miguel A Rodríguez Drew W Purves

Studies suggest that populations of different species do not decline equally after habitat loss. However, empirical tests have been confined to fine spatiotemporal scales and have rarely included plants. Using data from 89,365 forest survey plots covering peninsular Spain, we explored, for each of 34 common tree species, the relationship between probability of occurrence and the local cover of ...

2009
Koji Iida K. Iida

This paper investigates an optimal search policy with stopping for a stationary target being in one of n boxes. It is assumed that the search is conducted continuously with a total search cost C per unit time and the search in box i costs ci per unit search effort. The conditional probability of detecting the target with unit search effort is Oli and a reward Ri is given to the searcher when he...

Journal: :American journal of public health 2014
Anna Gassman-Pines Elizabeth Oltmans Ananat Christina M Gibson-Davis

OBJECTIVES We investigated the impact of statewide job loss on adolescent suicide-related behaviors. METHODS We used 1997 to 2009 data from the Youth Risk Behavior Survey and the Bureau of Labor Statistics to estimate the effects of statewide job loss on adolescents' suicidal ideation, suicide attempts, and suicide plans. Probit regression models controlled for demographic characteristics, st...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2015
D Campos E Abad V Méndez S B Yuste K Lindenberg

We present a simple paradigm for detection of an immobile target by a space-time coupled random walker with a finite lifetime. The motion of the walker is characterized by linear displacements at a fixed speed and exponentially distributed duration, interrupted by random changes in the direction of motion and resumption of motion in the new direction with the same speed. We call these walkers "...

2006
Michael P. Clements

We ask whether the di¤erent types of forecasts made by individual survey respondents are mutually consistent, using the SPF survey data. We compare the point forecasts and central tendencies of probability distributions matched by individual respondent, and compare the forecast probabilities of declines in output with the probabilities implied by the probability distributions. When the expected...

2004
P. Coolen-Schrijner

We consider an age replacement problem with cost function based on the renewal reward theorem. However, instead of assuming a known probability distribution for the lifetimes, we apply Hill’s assumption A(n) for predicting probabilities for the lifetime of a future item. Lower and upper bounds for the survival function of a future item are used, resulting in upper and lower cost functions. Mini...

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