Results 11 to 20 of about 19,665 (266)
Testing the constancy of Spearman’s rho in multivariate time series [PDF]
A class of tests for change-point detection designed to be particularly sensitive to changes in the cross-sectional rank correlation of multivariate time series is proposed. The derived procedures are based on several multivariate extensions of Spearman's rho.
Kojadinovic, Ivan +2 more
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Background Biological monitoring of healthy workers exposed to hazardous dusts lack validated screening tools. Induced sputum (IS) cellular profile was compared with bronchoalveolar lavage fluid (BALF) profile in asbestos exposed workers in order to ...
Serbescu Aneta +5 more
doaj +1 more source
This study focuses on the spatio-temporal analysis of rainfall variability, trend patterns, and projected changes using GCM CCSM4 for RCP4.5 and RCP8.5 in Khyber Pakhtunkhwa.
Ghani Rahman +6 more
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On Testing Significance of the Multivariate Rank Correlation Coefficient
The Spearman’s rho is a measure of the strength of the association between two variables. There are some extensions of this coefficient for the multivariate case.
Grzegorz Kończak
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Background. Patients with functional constipation (FC) and irritable bowel syndrome (IBS) often report psychological abnormalities and decreased eating enjoyment.
Jie Liu +6 more
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Visual categorisation of the arch index: a simplified measure of foot posture in older people
Background Foot posture is considered to be an important component of musculoskeletal assessment in clinical practice and research. However, many measurement approaches are not suitable for routine use as they are time-consuming or require specialised ...
Menz Hylton B +3 more
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Spearman’s rho modification in digital image processing
Abstract The article presents an alternative Spearman’s rank correlation pattern as an innovative method in detecting the edges of an image by defining characteristic points of the image. Edge detection methods can be counted as the image processing stage following the implementation of the “initial” image processing, which includes: use
B Nalepa, A Gwiazda
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Online websites for biostatistics
There are many websites which can be used for routine statistical calculations without going to a statistician. In this article, we refer to one such website and also show how to perform a Chi-square test.
Soumi Das
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Objective This study aims to systematically validate the performance of surrogate endpoints in phase II and III clinical trials for NSCLC patients under various trial settings.
Tiantian Hua +4 more
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Reduced norovirus epidemic follows increased sales of hand hygiene products in Japan, 2020–2021
During the recent emergence of COVID-19, an increased practice of hand hygiene coincided with the reduced incidence of the norovirus epidemic in Japan, which is similar to experience with the pandemic flu in 2009. We investigated the relationship between
Shinako Inaida +3 more
doaj +1 more source

