نتایج جستجو برای: correlation coefficients

تعداد نتایج: 476833  

Journal: :Public health nutrition 2003
L F Masson G McNeill J O Tomany J A Simpson H S Peace L Wei D A Grubb C Bolton-Smith

OBJECTIVE To compare different statistical methods for assessing the relative validity of a self-administered, 150-item, semi-quantitative food-frequency questionnaire (FFQ) with 4-day weighed diet records (WR). DESIGN Subjects completed the Scottish Collaborative Group FFQ and carried out a 4-day WR. Relative agreement between the FFQ and WR for energy-adjusted nutrient intakes was assessed ...

2013
Jun Ye

The paper presents two new correlation coefficients of simplified neutrosophic sets (SNSs) as the further extension of the correlation coefficient of single valued neutrosophic sets (SVNSs) and investigates their properties. Then a multiple attribute decision-making method is proposed based on the weighted correlation coefficients of SNSs, in which the evaluation information for alternatives wi...

Journal: :مدیریت آب و آبیاری 0
روزبه موذن زاده دانشجوی دکتری گروه مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، خراسان رضوی صالح ارشد استادیار، گروه مهندسی آب ، دانشکده کشاورزی، دانشگاه گیلان، رشت - ایران بیژن قهرمان استاد، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، خراسان رضوی - ایران کامران داوری دانشیار، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه فردوسی مشهد، خراسان رضوی - ایران

regional vegetation plays an important role in modeling ecosystem changes and conservation. meteorological drought indices which are directly obtained from such meteorological data as precipitation can't be useful in drought monitoring if those data are absence. therefore, remote sensing techniques may provide an efficient technique for drought monitoring. in this study, the values of norm...

Journal: :Experimental Mathematics 2006
Jesús A. De Loera Tyrrell B. McAllister

2006
Toshiyuki KOBAYASHI

The complex analytic methods have found a wide range of applications in the study of multiplicity-free representations. This article discusses, in particular, its applications to the question of restricting highest weight modules with respect to reductive symmetric pairs. We present a number of multiplicity-free branching theorems that include the multiplicity-free property of some of known res...

2002
Sorel Cahan

This paper introduces a way of understanding correlation coefficients based on the notion of scaled-score similarity (i.e., closeness to identity). It is suggested that the proposed framework has intuitive al)peal. It points to the equivalence among various correlation coefficients by showing that correlation problems involve the notion of agreement between interval or ordinal measures expresse...

2010
David Tam

A theoretical proof of the computational function performed by a time-delayed neural network implementing a Hebbian associative learning-rule is shown to compute the equivalent of cross-correlation of time-series functions, showing the relationship between correlation coefficients and connection-weights. The values of the computed correlation coefficients can be retrieved from the connection-we...

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