نتایج جستجو برای: spearmans rank correlation coefficient

تعداد نتایج: 581301  

Journal: :Irish journal of medical science 2014
S Vasquez M Guidon E McHugh O Lennon L Grogan O S Breathnach

BACKGROUND Chemotherapy-induced peripheral neuropathy (CIPN) is a common, potentially reversible side effect of some chemotherapeutic agents. CIPN is associated with decreased balance, function and quality of life (QoL). This association has to date been under-investigated. AIMS To profile patients presenting with CIPN using the modified Total Neuropathy Score (mTNS) in this cross-sectional s...

2018
Wejdan Deebani Nezamoddin N. Kachouie

Elements in a sample date are demonstrated based on their characteristics and in turn the characteristics are represented by variables. Identifying the relationship between these variables is crucial for prediction, hypothesis testing, and decision making. The relation between two variables is often quantified using a correlation factor. Once correlation is known it can be used to make predicti...

2014
Johannes Prottengeier Andreas Moritz Sebastian Heinrich Christine Gall Joachim Schmidt

INTRODUCTION The critically-ill undergoing inter-hospital transfers commonly receive sedatives in continuation of their therapeutic regime or to facilitate a safe transfer shielded from external stressors. While sedation assessment is well established in critical care in general, there is only little data available relating to the special conditions during patient transport and their effect on ...

2009
Ehab F. Abd-Elfattah

One of the most popular class of tests for independence between two random variables is the general class of rank statistics which are invariant under permutations. This class contains Spearman’s coefficient of rank correlation statistic, Fisher-Yates statistic, weighted Mann statistic and others. Under the null hypothesis of independence these test statistics have a permutation distribution th...

2013
Rosemary Dubbeldam Hetty Baan Jaap Buurke

In rheumatoid arthritis, pathologic changes in structures and in gait kinematics of the foot and ankle occur from onset of the disease. The aim of this study was to explore the relationship between these clinical and kinematic factors at various phases of stance. Foot and ankle kinematics of 25 subjects with RA was assessed and related to the following clinical factors: Magnetic Resonance Imagi...

2000
LEDYARD R TUCKER WILLIAM MEREDITH

A theorem is presented relating the squared multiple correlation of each measure in a battery with the other measures to the unique generalized inverse of the correlation matrix. This theorem is independent of the rank of the correlation matrix and may be utilized for singular correlation matrices. A coefficient is presented which indicates whether the squared multiple correlation is unity or n...

2013
Ulrich Bodenhofer Martin Krone

This document is a user manual for the R package rococo. It is only meant as a gentle introduction into how to use the basic functions implemented in this package. Not all features of the R package are described in full detail. Such details can be obtained from the documentation enclosed in the R package. Further note the following: (1) this is not an introduction to robust rank correlation; (2...

Journal: :Journal of the American Statistical Association 2009

Journal: :Inf. Sci. 2012
M. Dolores Ruiz Eyke Hüllermeier

The so-called gamma coefficient is a well-known rank correlation measure frequently used to quantify the strength of dependence between two variables with ordered domains. To increase the robustness of this measure toward noise in the data, a generalization of the gamma coefficient has recently been developed on the basis of fuzzy order relations. The goal of this paper is threefold. First, we ...

2005
Mark Baillie Leif Azzopardi Fabio Crestani

An open problem for Distributed Information Retrieval is how to represent large document repositories (known as resources) efficiently. To facilitate resource selection, estimated descriptions of each resource are required, especially when faced with non-cooperative distributed environments[1]. Accurate and efficient Resource description estimation is required as this can have an affect on reso...

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