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Intraclass correlation coefficient

Assessing Agreement with Intraclass Correlation Coefficient and Concordance Correlation Coefficient

Assessing Agreement with Intraclass Correlation Coefficient and Concordance Correlation Coefficient

... The intraclass correlation coefficient (Fisher, 1925) originated from genetics and was first applied to social science and then to medical science thereafter to assess agreement or reliability ...

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Estimation and Inference of the Three-Level Intraclass Correlation Coefficient

Estimation and Inference of the Three-Level Intraclass Correlation Coefficient

... Since the early 1900s, the intraclass correlation coefficient (ICC) has been used to quantify the level of agreement among different assessments on the same object. By comparing the level of ...

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Bias-corrected estimator for intraclass correlation coefficient in the balanced one-way random effects model

Bias-corrected estimator for intraclass correlation coefficient in the balanced one-way random effects model

... The intraclass correlation coefficient (ICC), often denoted by ρ, was first introduced by Fisher [1] to study the familial resemblance between ...[5]. Intraclass correlation obtained from genome- ...

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Sample Size Formulas for Estimating Intraclass Correlation Coefficients in Reliability Studies with Binary Outcomes

Sample Size Formulas for Estimating Intraclass Correlation Coefficients in Reliability Studies with Binary Outcomes

... Table 4.2 presents the minimum sample sizes required under the same condi- tions except the number of raters n = 3. Increasing from two raters to three raters will lead to a reduction of the sample size by approximately ...

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Intraclass Correlation in Practice: Assessment of Reliability of Manual Blood Pressure Measurement among Assessors in a Clinical Trial

Intraclass Correlation in Practice: Assessment of Reliability of Manual Blood Pressure Measurement among Assessors in a Clinical Trial

... 1) intraclass correlation coefficient (ICC) in the assessment of reliability of manual BP readings among assessors involved in a clinical trial using manual BP measurement, by using an interrater ...

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Comparison of confidence interval methods for an intra-class correlation coefficient (ICC)

Comparison of confidence interval methods for an intra-class correlation coefficient (ICC)

... In this paper several methods for constructing intervals for the intraclass correlation coefficient were examined. Coverage probabilities and confidence interval widths were reported for the commonly ...

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Effect of Encryption Technique and Size of Image on Correlation Coefficient in Encrypted Image

Effect of Encryption Technique and Size of Image on Correlation Coefficient in Encrypted Image

... Thus, this work divulges that an image encryption algorithm should use appropriate procedures to reduce the correlation coefficient in an encoded image. Moreover, the substitution process is extremely ...

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Study on the Correlation Coefficient of Gene Expression by using a Hybrid Intelligent System

Study on the Correlation Coefficient of Gene Expression by using a Hybrid Intelligent System

... by correlation coefficient in order to find out whether there was relativity between prediction performance and classes (high level class and gene expression subclasses) with different exponents of poly ...

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Correlation of Apparent Diffusion Coefficient with Neuropsychological Testing in Temporal Lobe Epilepsy

Correlation of Apparent Diffusion Coefficient with Neuropsychological Testing in Temporal Lobe Epilepsy

... diffusion coefficient values and memory perfor- mance is ...negative correlation exists between hip- pocampal apparent diffusion coefficients and both verbal and visuospatial memory scores, particularly on ...

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A New Correlation for Drag Coefficient of Extrudate Quadralobe Particles by CFD Simulation

A New Correlation for Drag Coefficient of Extrudate Quadralobe Particles by CFD Simulation

... drag coefficient of infinite quadralobe catalytic particle with non-circular cross sections has been investigated by Computational Fluid Dynamics (CFD) methods and for this purpose FEMLAB Multiphysics ...simple ...

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Null distribution of multiple correlation coefficient under mixture normal model

Null distribution of multiple correlation coefficient under mixture normal model

... Srivastava [8], using certain transformations, derived the null distribution of multi- ple correlation coefficient when sampling from a mixture of two multivariate normal distributions (see also Gupta and Kabe [3]). ...

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On the Sampling Variance of Intraclass Correlations and Genetic Correlations

On the Sampling Variance of Intraclass Correlations and Genetic Correlations

... Figure 1.—Standard er- ror of the genetic correla- tion coefficient against the geometric mean of the esti- mated heritabilities, for a design of s 5 100 and n 5 1000. Population values were 0.50 for the two ...

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Study of Correlation Coefficient for Breast Tumor Detection in Microwave Tomography

Study of Correlation Coefficient for Breast Tumor Detection in Microwave Tomography

... the correlation coefficient of the receiver pair was significantly reduced when using multi-polariza- tion compared to single ...low correlation coefficient, as shown in Figures ...the ...

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Movie Recommendation Service Based on Preference Correlation Coefficient of Audience in Smart Environment

Movie Recommendation Service Based on Preference Correlation Coefficient of Audience in Smart Environment

... preference correlation coefficient of the audience in a smart environment, which will lead to the entertainment convenient in a smart ...Pearson Correlation Coefficient in the recommendation ...

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Blinded versus unblinded estimation of a correlation coefficient to inform interim design adaptations

Blinded versus unblinded estimation of a correlation coefficient to inform interim design adaptations

... The estimator based on the work by Xing and Ganju gives an unbiased estimate for the covariance but not for the correlation, especially when only a small number of blocks is available. It also has a large standard ...

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Rho Has No Role: Correlation Coefficient Instability and Non asymptotic Simulation Volatility

Rho Has No Role: Correlation Coefficient Instability and Non asymptotic Simulation Volatility

... the correlation coefficients. If the correlation coefficients are stable, the time series of the 36 quarterly computed correlation coefficients should not present any unit root and should therefore ...

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Sequential Probability Ratio Test of Correlation Coefficient Using Fuzzy Hypothesis Testing

Sequential Probability Ratio Test of Correlation Coefficient Using Fuzzy Hypothesis Testing

... Several authors have proposed SPRT for fuzzy case. Neyman Pearson lemma for fuzzy hypothesis testing was given by Taheri and Behboodian [6]. Torabi and Be- hboodian [7] gave the SPRT for fuzzy hypothesis testing with ...

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What happens if in the principal component analysis the Pearsonian is replaced by the Brownian coefficient of correlation?

What happens if in the principal component analysis the Pearsonian is replaced by the Brownian coefficient of correlation?

... dataset was used by Kibler et al. (1989) to predict price of car using all numeric and Boolean attributes. In the present study we use only a smaller subset of data for 195 models - for which the complete numerical ...

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Correlation and Path Coefficient Analysis Studies in OAT (AVENA SATIVA L.)

Correlation and Path Coefficient Analysis Studies in OAT (AVENA SATIVA L.)

... path coefficient during rabi 2014-15. The correlation studies revealed positive and significant correlations of seed yield/plant with 100-seed weight, number of spikelets/panicle and number of ...Path ...

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A geometric view on Pearson’s correlation coefficient and a generalization of it to non-linear dependencies

A geometric view on Pearson’s correlation coefficient and a generalization of it to non-linear dependencies

... moment correlation coefficient is the standard in statistical textbooks and appli- cations for measuring linear ...rank correlation coef- ficient is capable of measuring any monotonic dependence ...

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