نتایج جستجو برای: using pearson and spearman correlation coefficient consequently

تعداد نتایج: 17357393  

2007
Steven eliuk Pierre BoulANger

Reconstruction of broken fragments is an extremely difficult task, mainly due to the high probability of missing pieces and the likelihood of erosion. This process is tedious and requires many hours to complete even for the experienced archaeologist. This paper describes some of the most successful fragment reconstruction algorithms and presents a new technique for reassembly. The technique rel...

Journal: :Clinical chemistry 2011
Hendrick E van Deventer Damodara R Mendu Alan T Remaley Steven J Soldin

BACKGROUND Accurate measurement of free thyroxine (FT(4)) is important for diagnosing and managing thyroid disorders. Most laboratories measure FT(4) by direct analogue immunoassay methods. The validity of these methods have recently been questioned. The inverse log-linear relationship between FT(4) and thyroid-stimulating hormone (TSH) is well described and provides a physiological rationale o...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1391

peace and national security protection and ironic solving of international conflicts become the preliminary foundation of the united nations charter and had been considered as the main responsibilities of the security council, after world war ii and the establishment of united nations organization. therefore, the security council enables to analyze every kind of conflicts and challenges which ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

2011
Jie Xiong Dongxia Yuan Jeffrey S. Fillingham Jyoti Garg Xingyi Lu Yue Chang Yifan Liu Chengjie Fu Ronald E. Pearlman Wei Miao

BACKGROUND Genome-wide expression data of gene microarrays can be used to infer gene networks. At a cellular level, a gene network provides a picture of the modules in which genes are densely connected, and of the hub genes, which are highly connected with other genes. A gene network is useful to identify the genes involved in the same pathway, in a protein complex or that are co-regulated. In ...

2013
Hong-Qiang Wang Chung-Jui Tsai

UNLABELLED With the rapid increase of omics data, correlation analysis has become an indispensable tool for inferring meaningful associations from a large number of observations. Pearson correlation coefficient (PCC) and its variants are widely used for such purposes. However, it remains challenging to test whether an observed association is reliable both statistically and biologically. We pres...

Journal: :international journal of management and business research 2011
s. jamaledin tabibi sudabe vatankhah amir ashkan nasiripour shaghayegh vahdat somayeh hessam

planned human resource development is critical to educating a skilled and efficient workforce. the present study aimed at identifying the main factors of planned human resource development in iranian social security organization hospitals. the study is done through analysis of a questionnaire designed after identification of the main variables. iran social security organisation hospitals (the m...

2017
Laura R Garcia-Rodriguez Dominique L Sanchez Alvin B Ko Amy M Williams Ed Peterson Kathleen L Yaremchuk

OBJECTIVES This study aimed to determine otolaryngology residents' quality of life and sleepiness. METHODS An electronic survey was distributed to otolaryngology residents in the United States in October 2014 and May 2015. The survey included questions from the Physician Well-Being Index (PWBI) and Epworth Sleepiness Scale (ESS). Data were analyzed using standard descriptive and frequency ana...

2010
Taylor Phillips Chris GauthierDickey Ramakrishna Thurimella

Pearson product-moment correlation coefficients are a wellpracticed quantification of linear dependence seen across many fields. When calculating a sample-based correlation coefficient, the accuracy of the estimation is dependent on the quality and quantity of the sample. Like all statistical models, these correlation coefficients can suffer from overfitting, which results in the representation...

2011
Methaq T. Gaata Sattar B. Sadkhan Saad T. Hasson

In this paper, we focus on the design a new evaluator for image quality evaluation. The main idea is the introduction an image quality evaluator dependent on combine five of fuzzy logicbased similarity measures (S1, S2, S3, S4 and S5) using neural network. In first stage, compute fuzzy similarity measures as features for each pair of original and degraded images and use these features as input ...

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