نتایج جستجو برای: utility function estimation

تعداد نتایج: 1564088  

Journal: :journal of medical signals and sensors 0
zahra arab-bafrani daryoush shahbazi-gahrouei mahdi abbasian mehrafarin fesharaki

a multiple colorimetric assay has been introduced to evaluate the proliferation and determination of survival fraction (sf) of irradiated cells. the estimation of sf based on the cell‑growth curve information is the major advantage of this assay. in this study, the utility of multiple‑mts assay for the sf estimation of irradiated ht‑29 colon cancer cells, which were plated before irradiation, w...

Journal: :Journal of the American Statistical Association 1987

Journal: :Korean Journal of Applied Statistics 2011

B‎. ‎L‎. ‎S‎. Prakasa Rao,

We derive moment inequalities for the supremum of empirical processes of U-Statistic structure and give application to kernel type density  estimation ‎and estimation of the distribution function for functions of observations.  

2017
El Hakem Abdelkarim Metraiah Helen Regan Johanna Louw Dana Kidder

Estimation of kidney function by measuring serum creatinine is one the commonest laboratory tests conducted in clinical practice. Enzymatic methods are often used to measure serum creatinine. Clinicians should be aware of the limitations of these methods, such as test interference with paraproteins.We present a case of falsely elevated serum creatinine in a patient referred for renal biopsy. Th...

Journal: :Operations Research 2015
Jong-Shi Pang Che-Lin Su Yu-Ching Lee

Discrete-choice demand models are important and fundamental tools for understanding consumers’ choice behavior, and for analyzing firms’ operations and pricing strategies. In these models, products are often described as a vector of observed characteristics. A consumer chooses the product that maximizes her utility, assumed to be a function of the observed product characteristics and the consum...

2014
Yuxue Qi Min Xu John Lafferty

The discrete choice model explains and predicts the behavior of a consumer who chooses one item to purchase from among a set of alternatives. The consumer is assumed to assign a utility to each item based on its features, and to choose an item with probability proportional to its utility. We consider the high-dimensional setting where the number of item features is large. It is important in thi...

Journal: :Appl. Soft Comput. 2009
Sandip Aine Rajeev Kumar P. P. Chakrabarti

Parameter control of evolutionary algorithms (EAs) poses special challenges as EA uses a population and requires many parameters to be controlled for an effective search. Quality improvement is dependent on several factors, such as, fitness estimation, population diversity and convergence rate. A widely practiced approach to identify a good set of parameters for a particular class of problem is...

Journal: :FO & DM 2014
Maryam Amir Haeri Mohammad Mehdi Ebadzadeh

Abstract Mutual Information (MI) is an important dependency measure between random variables, due to its tight connection with information theory. It has numerous applications, both in theory and practice. However, when employed in practice, it is often necessary to estimate the MI from available data. There are several methods to approximate the MI, but arguably one of the simplest and most wi...

2013
Pierre Nguimkeu

This paper proposes an improved likelihood-based method to test for first-order moving average in the disturbances of nonlinear regression models. The proposed method has a third-order distributional accuracy which makes it particularly attractive for inference in small sample sizes models. Compared to commonly used first-order methods such as likelihood ratio and Wald tests which rely on large...

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