نتایج جستجو برای: principle components analysis

تعداد نتایج: 3217971  

Afshari , D, Mosavianasl , Z*, Shirali , G.A,

Background & objectives: Hundreds of methods have been introduced to analyze various events. Hence one of the effective and principle steps in accident analysis is proper and targeted selection of accident analysis method. Traditional methods of accident analysis in complex industries are not comprehensive and examine each components of the system separately. So, the use of new systematic metho...

Purpose: Considering the importance of aesthetic education in students, the purpose of this study was the aesthetic education of elementary school students: analysis of dimensions and components with a qualitative approach. Methodology: This research in terms of purpose was applied and in terms of implementation method was qualitative from type of exploratory inductive. The research population...

Principal components analysis is a well-known statistical method in dealing with large dependent data sets. It is also used in functional data for both purposes of data reduction as well as variation representation. On the other hand "handwriting" is one of the objects, studied in various statistical fields like pattern recognition and shape analysis. Considering time as the argument,...

Journal: :Journal of strength and conditioning research 2012
Kristof Kipp Sam T Johnson Mark A Hoffman

Although research supports the use of whole-body vibration (WBV) to improve neuromuscular performance, the mechanisms for these improvements remain unclear. The purpose of this study was to identify the effect of WBV on the spectral properties of electrically evoked H-reflex recordings in the soleus (SOL) muscle. The H-reflex recordings were measured in the SOL muscle of 20 participants before ...

Journal: :Entropy 2021

Wyner’s common information is a measure that quantifies and assesses the commonality between two random variables. Based on this, we introduce novel two-step procedure to construct features from data, referred as Common Information Components Analysis (CICA). The first step can be interpreted an extraction of information. second form back-projection onto original variables, leading extracted fe...

2001
V. Calhoun T. Adali G. Pearlson

We introduce a framework for the application of independent component analysis (ICA) to functional magnetic resonance (fMRI) data. We present a model for the task with two main sections: data generation (synthesis) and data processing (analysis) and give examples of how such a model can be utilized in fMRI analysis. We assume a generative model for the data involving 1) the signal being measure...

Journal: :اکو هیدرولوژی 0
حامد روحانی استادیار گروه مرتع و آبخیزداری، دانشگاه گنبد کاووس الناز زکی دانشجوی کارشناسی ارشد مرتعداری، دانشگاه تربیت مدرس، نور مجتبی کاشانی مربی گروه آمار، دانشگاه گنبد کاووس ابولحسن فتح آبادی استادیار گروه مرتع و آبخیزداری، دانشگاه گنبد کاووس

information on water quality and pollution sources is important for the implementation of sustainable water resource management strategies. in this research, to evaluate spatial variation and the interpretation of large complex water quality data taken at seven different sites along the gorganrood river were subjected to multivariate statistical analysis. the factor analysis generated two signi...

2010
Christian Fischer Robert Winter Stephan Aier

Architecture can be defined as the fundamental organization of a system and the principles governing its design and evolution (IEEE 2000). While design representation issues like meta-modeling and notations have been intensely discussed in Enterprise Architecture (EA), design activity issues are often neglected. This is surprising because EA principles play an important role in practice. As a c...

جهرمی, مجید حاجی محمد علی, پیغمبری, سید علی, شادپور, ساسان, شعاعی دیلمی, مرداویج, محمدی, عبدالله, مهدوی, عبدالرحیم,

To determine the yield stability and adaptability of the genotype of tobacco, 5 genotypes of flue-cured tobacco were evaluated in experiment using a randomized completely block design (RCBD) with three replications at two locations including Rasht and Tirtash tobacco Research Centers (IRAN), during the growing season of 2008-2010 (four environment). The interaction of genotype × environment in ...

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