نتایج جستجو برای: correlation coefficient

تعداد نتایج: 517920  

2016
Chinta Someswara Rao S. Viswanadha Raju

In this paper, we consider correlation coefficient, rank correlation coefficient and cosine similarity measures for evaluating similarity between Homo sapiens and monkeys. We used DNA chromosomes of genome wide genes to determine the correlation between the chromosomal content and evolutionary relationship. The similarity among the H. sapiens and monkeys is measured for a total of 210 chromosom...

Journal: :Computers & Chemical Engineering 2015
Wenkai Hu Jiandong Wang Tongwen Chen

This paper proposes a new method to detect correlated alarms and quantify the correlation level to improve the management of industrial alarm systems. The method is mainly composed of three parts. First, a so-called occurrence delay is defined as the main cause leading to erroneous conclusions from existing methods to detect correlated alarms. In order to tolerate the presence of occurrence del...

Journal: :The Journal of the Acoustical Society of America 2012
Shima H Abadi H C Song David R Dowling

Synthetic time reversal (STR) is a technique for blind deconvolution of receiving-array recordings of sound from an unknown source in an unknown multipath environment. It relies on generic features of multipath sound propagation. In prior studies, the pivotal ingredient for STR, an estimate of the source-signal's phase (as a function of frequency ω), was generated from conventional beamforming ...

2017
Obaid Algahtani

The object of the present paper is to introduce and investigate new subclasses of the function class Σ of bi-univalent functions defined in the open unit disk U, involving quasi subordination. The coefficients estimate |a2| and |a3| for functions in these new subclasses are also obtained. c ©2017 All rights reserved.

2008
Peter Filzmoser Karel Hron

Compositional data need a special treatment prior to correlation analysis. In this paper we argue why standard transformations for compositional data are not suitable for computing correlations, and why the use of raw or log-transformed data is neither meaningful. As a solution, a procedure based on balances is outlined, leading to sensible correlation measures. The construction of the balances...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم ریاضی 1385

چکیده ندارد.

Journal: :iranian chemical communication 2014
hadi noorizadeh sharmin esmaeilpoor zohreh moghadam shahnaz nosratolahy

the veterinary drugs residues are also important pollutants found in milk, since veterinary drugs are commonly used in cattle management. considering the role of milk in human nutrition and its wide consumption throughout the world, it is very important to ensure the milk quality. a quantitative structure–retention relationship (qsrr) was developed using the partial least square (pls), kernel p...

2003
Russell Mason Tim Brookes Francis Rumsey

Auditory width measurements based on the interaural crosscorrelation coefficient (IACC) are often used in the field of concert hall acoustics. However, there are a number of problems with such measurements, including large variations around the centre of a room and a limited range of values at low frequencies. This paper explores how some of these problems can be solved by applying the IACC in ...

2010
ZVI DREZNER ZVI drezner

We propose a simple and efficient way to calculate trivariate normal probabilities. The algorithm is based on a formula for the partial derivative of the trivariate probability with respect to a correlation coefficient.

Journal: :Random Struct. Algorithms 2017
Hua-Huai Chern Michael Fuchs Hsien-Kuei Hwang Ralph Neininger

We study the joint asymptotic behavior of the space requirement and the total path length (either summing over all root-key distances or over all root-node distances) in random m-ary search trees. The covariance turns out to exhibit a change of asymptotic behavior: it is essentially linear when 3 6 m 6 13 but becomes of higher order when m > 14. Surprisingly, the corresponding asymptotic correl...

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