نتایج جستجو برای: rank correlation
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antidepressant agents inhibit the neuronal reuptake of monoamines such as serotonin (5-ht), noradrenaline (na), and dopamine (da). several clinical and animal studies have advocated the use of these agents in the management of pain. in this study, therefore, the possibility of a correlation between the analgesic activity of six serotonin specific reuptake inhibitor (ssri) antidepressants and th...
Introduction: Academic achievement of students is one of the important indicators of education. Hence study variables that are related to academic achievement in different subjects, is one of the main topics of research in Education system. this study performed in order to asses the association of student‘s education progress with Additional classes before passing entrance exam. Material and ...
multi-environment trials play a significant role in selecting the best cultivars to be used at different locations. the objective of this study was to identify grain and forage yields stability of grass pea advanced lines across different locations. the 14 advanced lines of grass pea, developed by the international center for agricultural research in dry areas (icarda), were tested at three dif...
Kendall Rank Correlation Let (X1, Y1), · · · , (Xn, Yn) be a bivariate random sample of size n. The Pearson correlation coefficient provides an optimal measure of the degree of association between the X’s and the Y ’s when the sample is drawn from a bivariate normal distribution. The Pearson correlation coefficient is reasonably robust for many other distributions as well. The Kendall correlati...
OBJECTIVE FFQ are commonly used to rank individuals by their food and nutrient intakes in large epidemiological studies. The purpose of the present study was to develop and validate an FFQ to rank individuals participating in an ongoing Prospective Urban and Rural Epidemiological (PURE) study in Chile. DESIGN An FFQ and four 24 h dietary recalls were completed over 1 year. Pearson correlation...
A comparative analysis of the efficiency of correlation (cross-correlation, Tanimoto coefficient and Kendall's rank correlation coefficient) and information (mutual information of Tsallis and Shannon, F-information measure and entropy of the joint probability distribution) measures of image similarity for the synthesis of recursive estimation algorithms is presented for the problem of estimatin...
ObJEctIVE: some extra-thyroid actions of thyroid stimulating hormone (tsH), such as an in vitro action on bone, have been described. Our aim was to evaluate in vivo the acute effect of a recombinant human tsH (rhtsH)-induced tsH surge on Osteoprotegerin (OPG) and receptor activator of the nuclear factor-κb (rANK-L) levels in patients under levo-thyroxine (L-t4) therapy. DEsIGN: 24 patients with...
We present a multi-scale version of low rank matrix decomposition. Our motivation comes from imaging applications, in which image sequences are correlated locally on several scales in space and time rather than globally. We model our data matrix as a sum of matrices, where each matrix has increasing scales of locally low-rank matrices. Using this multi-scale modeling, we can capture different s...
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