نتایج جستجو برای: consistency analysis

تعداد نتایج: 2873574  

2017
Xi Chen Yuchao Jiang Lin Chen Hui He Li Dong Changyue Hou Mingjun Duan Mi Yang Dezhong Yao Cheng Luo

In the current study, FOur-dimensional Consistency of local neural Activities (FOCA) analysis was used to investigate the local consistency by integrating the temporal and spatial information of the local region. In the current study, resting-state fMRI data of 69 schizophrenia patients and 70 healthy controls were collected. FOCA was utilized to investigate the local consistency. Moreover, Gra...

Journal: :The Spanish journal of psychology 2009
José Martín-Albo Juan L Núñez José G Navarro

The purpose of the present research was to translate into Spanish and analyze the psychometricA properties of the Situational Motivation Scale (SIMS). The participants were 373 undergraduate students (126 males and 247 females). Factor validity was tested via confirmatory factor analysis. Based on factor loadings and modification indexes, the SIMS was reduced to a 14-item model. This respecific...

1998
Marcelo B. Ribeiro

This paper presents a review of the fractal approach for describing the large scale distribution of galaxies. We start by presenting a brief, but general, introduction to fractals, which emphasizes their empirical side and applications rather than their mathematical side. Then we discuss the standard correlation function analysis of galaxy catalogues and many observational facts that brought in...

2015
Theresa L. Osypuk Rebecca Kehm Dawn P. Misra

Early life exposures influence numerous social determinants of health, as distal causes or confounders of later health outcomes. Although a growing literature is documenting how early life socioeconomic position affects later life health, few epidemiologic studies have tested measures for operationalizing early life neighborhood context, or examined their effects on later life health. In the Li...

Journal: :Journal of Machine Learning Research 2015
Vladimir Nikulin

In this paper we formulate in general terms an approach to prove strong consistency of the Empirical Risk Minimisation inductive principle applied to the prototype or distance based clustering. This approach was motivated by the Divisive Information-Theoretic Feature Clustering model in probabilistic space with Kullback-Leibler divergence, which may be regarded as a special case within the Clus...

Journal: :European Journal of Operational Research 2011
J. Wang Peter A. Forsyth

We develop a numerical scheme for determining the optimal asset allocation strategy for time-consistent, continuous time, mean variance optimization. Any type of constraint can be applied to the investment policy. The optimal policies for time-consistent and pre-commitment strategies are compared. When realistic constraints are applied, the efficient frontiers for the precommitment and time-con...

Journal: :تحقیقات نظام سلامت 0
حبیب اله دهقان شهرضا دانشجوی دکتری، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. سید باقر مرتضوی دانشیار، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. محمد جواد جعفری دانشیار، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران. محمد رضا مراثی دانشیار، گروه آمار زیستی و اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان،ایران. علی خوانین دانشجوی دکتری، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. مهدی جهانگیری کارشناس، مسؤول بهداشت حرفه ای، شرکت ملی صنایع پتروشیمی ایران، تهران، ایران.

background: heat stress is one of the most important consequences of occupational heat exposure worldwide. current heat stress indexes are not suitable for heat strain screening in developing countries due to their inherent and applied limitations. a new observation and subjective screening method is required that needs no instrument. in this study, a scale is developed based on the most import...

2010
Isabel Castillo Inés Tomás Isabel Balaguer António M. Fonseca Cláudia Dias Joan L. Duda

Within the theoretical framework of achievement goals (Nicholls, 1989), Duda and Nicholls (see Duda, 1989; Duda & Whitehead, 1998) developed the Task and Ego Orientation in Sport Questionnaire (TEOSQ) to assess individual differences in achievement goal orientations. This study searches for validity evidence of the TEOSQ in the case of Spanish (2473) and Portuguese (2486) junior high school. Th...

Journal: :Iranian journal of kidney diseases 2009
Shervin Assari Maryam Moghani Lankarani Seyed Abbas Tavallaii

Although the revised dyadic adjustment scale (RDAS) has been widely used as an indicator of the quality of marital relationship, no report is available on the reliability of this measure in patients on hemodialysis. We examined the internal consistency of the RDAS in a group of Iranian patients undergoing maintenance hemodialysis. A translated Persian version of the RDAS was self-administered t...

Journal: :CoRR 2015
Peng Han

This paper presents a novel selective constraint propagation method for constrained image segmentation. In the literature, many pairwise constraint propagation methods have been developed to exploit pairwise constraints for cluster analysis. However, since most of these methods have a polynomial time complexity, they are not much suitable for segmentation of images even with a moderate size, wh...

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