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41.
Evers Adalbert von Essen Johan 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2019,30(1):1-14
VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations - The aim of this introduction to the special issue is to call into question the presumed conceptual divide between... 相似文献
42.
Theory and Society - Unfortunately, figure 2 was incorrectly published. 相似文献
43.
Marc J. M. H. Delsing Marcel A. G. Van Aken Johan H. L. Oud Eric E. J. De Bruyn Ron H. J. Scholte 《Journal of research on adolescence》2005,15(2):127-150
Erratum . Journal of Law and Society Volume 32 Issue 3 The present study examined the relation between perceived justice and trust within family relationships and adolescent internalizing and externalizing problem behavior. Data were gathered from the father, the mother, and two of their adolescent children in 288 families. The social relations model was used to assess perceived justice and trust at the family level and the individual level. Adolescent internalizing and externalizing problem behavior turned out to be best predicted at the family level. Adolescents from families with less just or trustworthy climates showed more of these problem behaviors. Also associations between adolescent problem behavior and individual characteristics of the adolescents were found: adolescents who were generally viewed as less just/trustworthy were reported to have more problems. Our findings suggest that processes at different levels of family functioning (i.e., individual, whole‐family) should be taken into account when investigating associations between family characteristics and children's outcomes. 相似文献
44.
Chaotic deterministics systems are characterised by the instability of orbits on an attractor. The largest Lyapunov exponent measures on average the exponential growth rate of small deviations along an orbit and gives as such an indication whether or not the dynamic generating process is unstable. The direct method for calculation of the Lyapunov exponent, based on finite differences as formulated by the so-called Wolf-algorithm,fails on medium sized data sets. Alternatively, one can use a neural network with backpropagation to estimate a data generating function. This so-calletl indirect method enables us to recover the theoretical value of the largest Lyapunov exponent in several examples. 相似文献
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Subset Selection in Linear Regression using Sequentially Normalized Least Squares: Asymptotic Theory
This article examines the recently proposed sequentially normalized least squares criterion for the linear regression subset selection problem. A simplified formula for computation of the criterion is presented, and an expression for its asymptotic form is derived without the assumption of normally distributed errors. Asymptotic consistency is proved in two senses: (i) in the usual sense, where the sample size tends to infinity, and (ii) in a non‐standard sense, where the sample size is fixed and the noise variance tends to zero. 相似文献
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“如实述说”:逻辑中的信息流动 总被引:1,自引:0,他引:1
本文把逻辑表述为关于信息流动的一般理论,它涉及推理、观察和社会交往等人类能力。由此导致的多主体动力学可以用关于信息更新的动态认知逻辑系统来加以研究,后者也能够处理信念更新和学习问题;可以把这种语义动态学与作为信息阐明的推理的语法过程相结合:本文最后讨论了如何(将已有结果)扩展到主体之间的长期互动,并描述了(主体的)偏好和目标,以及由此导致的逻辑、博弈论和社会选择理论之间的相互作用。 相似文献
49.
Kees Cools Alexander Roos 《管理与财富》2007,(7):18-19
联盟变成了公司战略中越来越重要和复杂的一部分。根据一项推测,2005年跨国公司大约30%的收入直接来自于联盟,这个数字在1980年只有2%。联盟是指两家或以上的公司相互协作,共同对一个项目进行投资,共担风险,共享回报,但是在经济上还是独立的机构。 相似文献
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