Academic literature on the topic 'Coefficient of concordance'
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Journal articles on the topic "Coefficient of concordance"
CASTRO, CAÍQUE JAUHAR DE, LUIS EDUARDO CARELLI TEIXEIRA DA SILVA, LUIZ EDUARDO ALMEIDA, ALDERICO GIRÃO CAMPOS DE BARROS, ROBSON TEIXEIRA VITAL, MÁRCIA MARIA RODRIGUES JARDIM, and GIULIANA VASCONCELOS DE SOUZA FONSECA. "INTRA- AND INTEROBSERVER ANALYSIS OF PEDICLE SCREW PLACEMENT IN SCOLIOSIS CORRECTION." Coluna/Columna 19, no. 3 (July 2020): 172–75. http://dx.doi.org/10.1590/s1808-185120201903224255.
Full textLiao, Jason J. Z. "An improved concordance correlation coefficient." Pharmaceutical Statistics 2, no. 4 (2003): 253–61. http://dx.doi.org/10.1002/pst.52.
Full text张, 天芳. "Understanding of Kendall’s Coefficient of Concordance." Statistics and Application 09, no. 04 (2020): 578–81. http://dx.doi.org/10.12677/sa.2020.94061.
Full textKing, Tonya S., Vernon M. Chinchilli, and Josep L. Carrasco. "A repeated measures concordance correlation coefficient." Statistics in Medicine 26, no. 16 (2007): 3095–113. http://dx.doi.org/10.1002/sim.2778.
Full textCabała, Paweł. "Zastosowanie współczynnika konkordancji w pomiarze zgodności ocen ekspertów." Przegląd Statystyczny. Statistical Review 2010, no. 2-3 (September 30, 2010): 36–52. http://dx.doi.org/10.59139/ps.2010.02-03.3.
Full textHsieh, Ming-Hong, Po-Chung Ju, Jeng-Yuan Chiou, Yu-Hsun Wang, Jong-Yi Wang, and Cheng-Chen Chang. "Spousal Concordance and Cross-Disorder Concordance of Mental Disorders: A Nationwide Cohort Study." Psychiatry Investigation 19, no. 10 (October 25, 2022): 788–94. http://dx.doi.org/10.30773/pi.2022.0009.
Full textVerbic, Miroslav, and Franc Kuzmin. "Coefficient of structural concordance and an example of its application: Labour productivity and wages in Slovenia." Panoeconomicus 56, no. 2 (2009): 227–40. http://dx.doi.org/10.2298/pan0902227v.
Full textLin, Lawrence I.-Kuei. "A Concordance Correlation Coefficient to Evaluate Reproducibility." Biometrics 45, no. 1 (March 1989): 255. http://dx.doi.org/10.2307/2532051.
Full textLin, Lawrence I.-Kuei. "Assay Validation Using the Concordance Correlation Coefficient." Biometrics 48, no. 2 (June 1992): 599. http://dx.doi.org/10.2307/2532314.
Full textKing, Tonya S., and Vernon M. Chinchilli. "ROBUST ESTIMATORS OF THE CONCORDANCE CORRELATION COEFFICIENT." Journal of Biopharmaceutical Statistics 11, no. 3 (January 1, 2001): 83–105. http://dx.doi.org/10.1081/bip-100107651.
Full textDissertations / Theses on the topic "Coefficient of concordance"
Thivvianesan, Chelliah. "Covariance estimation and hypothesis testing in random coefficient regression models." Thesis, Queensland University of Technology, 1995.
Find full textBourredjem, Abderrahmane. "Contribution à l'inférence sur le coefficient de corrélation intraclasse de concordance dans les études de fiabilité inter-juges." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2023. http://www.theses.fr/2023UBFCK078.
Full textMeasurement's reliability refers to its reproducibility when it is randomly repeated on the same subject and is a key metrological property for each measurement validation. The two-way intra-class correlation coefficient of agreement (ICCa) is a statistical parameter used to quantify the inter-rater reliability of continuous (or ordinal qualitative) measurements. It constitute a central reliability index recommended by the regulatory agencies. Nevertheless, its estimators are biased and a lot of solutions have been tried facing to its confidence interval (CI) problem. The latest works indicate that no method works well with a hard-to-detect violation of normality and when the number of subjects OR raters is limited, which is rather the case in practice. Furthermore, no variance stabilizing transformation (VST) nor statistical comparative test are available for the ICCa. The aim of this thesis is therefore to contribute to the development of methods that remedy the lack of the inferential tools for the ICCa. At a first step, we propose new asymptotic methods for the ICCa confidence interval, the calculation of the needed sample size of subjects and raters, and a likelihood ratio test to compare two ICCa. Then, in a second work, we develop three VSTs, improving the properties of the confidence interval for inter-rater reliability studies of moderate sample size, and the synthesis of several ICCa in the context of meta-analyses. Finally, in a third work, dedicated resampling methods are proposed, in combination with the best VST, to improve the ICCa confidence interval performances in case of non-normality with small sample size. It is above all a work of biostatistical methodology, with simulation evaluations of the introduced methods, and applications to several real data sets from inter-rater reliability studies and meta-analyses
Baloyi, Maggy Tlakale. "The degree of project manager's project system compliance and project performance in Eskom distribution asset creation project execution department in the Limpopo Operating Unit." Thesis, University of Limpopo, 2016. http://hdl.handle.net/10386/2576.
Full textProject systems allow project managers to carry out work in a professional and well organised manner. These systems are created and maintained to advance project performance. Eskom spends a lot of resources on the creation and maintenance of project systems. The literature on project systems shows that, in spite of advancement in project managements processes, systems and tools, project success has not significantly improved. This problem raises questions about the value and effectiveness of project systems. Therefore this paper reports about the correlation between the degree of project manager’s compliance to project systems and project performance in Eskom Distribution Limpopo Operating Unit. The study looked at the performance of 10 projects and used empirical data on designers, planners, managers and project managers working in Eskom Distribution LOU to measure the compliance level of employees to project systems when carrying out the 10 chosen projects or any other projects not listed. A total of 45 completed questionnaires were analysed. Correlation analysis tests found a negative correlation between project manager’s project systems compliance level and project performance in terms of schedule and cost. The conclusion found was that as the compliance level on project systems increases, project performance decreases. Meaning there is an inversely proportional relationship between project system compliance level and project performance. Additionally, a lower level of knowledge than expected on the project managers, designers, and planners was found. Keywords: Project performance, Project systems, Correlation, Adherence,
Badia, Folguera David. "Metodología de los mapas de concordancia para la estratificación de variables cuantitativas: aplicación a la asignatura de Medidas Electrónicas." Doctoral thesis, Universitat Ramon Llull, 2012. http://hdl.handle.net/10803/94520.
Full textSe desarrolla una metodología que combina algoritmos exploratorios e iterativos que toma como base el concepto de concordancia del coeficiente de correlación W de Kendall. A partir de conjuntos complejos de ítems y sus puntuaciones (actividades de evaluación, problemas, prácticas, indicadores de rendimiento, mediciones y, en general, cualquier variable cuantitativa) se consiguen identificar conjuntos concordantes, es decir, estructuras explicativas de la dificultad del conjunto de ítems. La lectura de estos conjuntos puede hacerse de dos maneras gracias a la información que proporcionan los algoritmos creados: a) Transversal, de manera que los conjuntos concordantes forman el “esqueleto de dificultad” del problema y son, por tanto, referencias para estudiar el resto de puntuaciones en otros ítems. b) Longitudinal, mediante el estudio de lo que denominamos Mapas de Concordancia, los cuales muestran la evolución de los conjuntos concordantes al ir incorporando ítems en cada iteración, y detectando por tanto los ítems discordantes respecto a conjuntos estables dados. La aplicación de dicha metodología es muy amplia, siendo susceptible de ser puesta en práctica en cualquier campo de las ciencias donde se realicen mediciones y se quiera observar las variaciones cruzadas entre individuos. En la presente investigación se aplica a la asignatura de Laboratorio de medidas electrónicas. Los resultados arrojan luz sobre la manera de mejorar las prácticas existentes y de construir otras nuevas en el futuro.
We have developed a new methodology that combines both exploratory and iterative algorithms which is based on the concept of concordance of the correlation coefficient W of Kendall. Starting from complex sets of items and their scores (assessment activities, problems, practices, performance indicators, measurements and, in general, any quantitative variable) it is possible to identify consistent sets, i.e., structures that explain the difficulty of the set of items. Reading these sets can be done in two different ways thanks to the information provided by the algorithms created: a) Transversal, so that the concordant sets form the "backbone difficulty" of the problem and, therefore, they become references to study the remaining scores on other items. b) Longitudinal, by studying what we call concordance maps, which show the evolution of the consistent sets when new items are incorporated after each iteration and thus detecting the discordant items with regard to given stable sets. The application of this methodology is very broad, being useful in any field of science where measurements are carried out and you may want to see cross-variations among individuals. In this research it has been applied to the subject Electronic Measurements Laboratory. The results point to different ways to improve the existing practices and create new ones in the future.
Hiriote, Sasiprapa Chinchilli Vernon M. "Multivariate concordance correlation coefficient." 2009. http://etda.libraries.psu.edu/theses/approved/PSUonlyIndex/ETD-4104/index.html.
Full textChen, Chia-Cheng. "Assessing agreement with intraclass correlation coefficient and concordance correlation coefficient." 2009. http://www.lib.ncsu.edu/theses/available/etd-05202009-163011/unrestricted/etd.pdf.
Full textHuang, Jing-Lin, and 黃景麟. "Comparison of concordance correlation coefficient via variance components and U-statistics." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/83737059159130042639.
Full text國立彰化師範大學
統計資訊研究所
102
In clinical studies, we concern with assessing agreement between different observers or methods. The concordance correlation coefficient (CCC) and intraclass correlation coefficient (ICC) are the two popular indices for measuring agreement on continuous data. In linear mixed models, the equivalence between ICC and CCC can be established through variance components (VC). In this thesis, we focus on estimating CCC using VC and U-statistics approaches. Simulation studies are conducted to compare the performance of VC and U-statistics approaches with and without explanatory variables. An application of conformity between two optometric devices is used for illustration.
Сорока, Юлія Юріївна, and Yuliia Yuriivna Soroka. "Залежність типу темпераменту дітей раннього віку від типу темпераменту їхніх батьків." Master's thesis, 2020. http://repository.sspu.edu.ua/handle/123456789/9670.
Full textThe level of similarity between children and parents by their type of temperament is rated using the correlation and genealogical analysis. In the association of temperament in parents and children the maternal effect is revealed.
Chiu, Ying-Lin, and 邱瑩琳. "Estimating concordance correlation coefficients by variance components for longitudinal Poisson data." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/73pj8p.
Full text國立彰化師範大學
統計資訊研究所
106
The concordance correlation coefficient (CCC) is an indice that can measure the agreement between observers. In the past, the classical concordance correlation coefficient is applied to measure the agreement between two observers with continuous data. However, it is common that we need to assess the agreement among multiple observers for discrete responses in clinical research. In this paper, we introduce how to use a variance components (VC) method to assess the agreement among multiple observers for countable replicated readings. We assume that under a three-way generalized linear mixed model, the subject effect, the subject-by-observer interaction effect and the subject-by-time interaction effect are assumed as random effects, while the observer effect, the time effect and the observer-by-time interaction are assumed to be fixed. In the simulation studies, we use the VC approach to assess the intra- and inter- and total-CCCs and compare the performance of VC and U-Statistics (US) methods. It is concluded that no matter what sample size is used, the mean square errors of VC are smaller than those of US, and the 95% coverage rates of VC remain at the nominal coverage. Finally, an application of reproducibility of corticospinal diffusion tensor tractography study is illustrated.
Hsiao, Yao-Hsuan, and 蕭瑤軒. "Using the variance components method with model selection to estimate concordance correlation coefficients." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/u77g6t.
Full text國立彰化師範大學
統計資訊研究所
105
Variance components (VC) is an approach for estimating concordance correlation coefficients (CCC) adjusting for covariates, and allowing dependency between replicated samples. However, under VC, a model including all potential explanatory variables may lead to biased parameter estimates. To overcome this problem, the estimation of CCC using the VC approach, as well as applying the conditional Akaike information criterion (CAIC) and conditional Bayesian information criterion (CBIC) for model selection is applied. Simulation studies are conducted to compare linear mixed models (LMM), with and without model-selection via CAIC and CBIC, and we use three indices of intra-, inter- and total concordance correlation coefficients (CCCs) among multiple observers to evaluate agreement for continuous replicated readings. Two applications are illustrated: an assessment of conformity between three optometric devices and an evaluation of agreement in degree of myopia for monozygotic twins.
Books on the topic "Coefficient of concordance"
Soelberg, Peer. Causal Inference from Cross-Lagged Correlation Coeficients: Fact or Fancy? Creative Media Partners, LLC, 2018.
Find full textBook chapters on the topic "Coefficient of concordance"
Dickhaus, Thorsten. "Self-concordant Profile Empirical Likelihood Ratio Tests for the Population Correlation Coefficient: A Simulation Study." In Springer Proceedings in Mathematics & Statistics, 253–60. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13881-7_28.
Full text"concordance coefficient." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 271. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_33865.
Full text"coefficient of concordance." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 248. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_33001.
Full text"Kendall's Coefficient of Concordance." In Handbook of Parametric and Nonparametric Statistical Procedures. Chapman and Hall/CRC, 2003. http://dx.doi.org/10.1201/9781420036268.ch31.
Full textDodge, Yadolah. "M." In The Oxford Dictionary Of Statistical Terms, 247–79. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198509943.003.0013.
Full textSheskin, David J. "Kendall’s Coefficient of Concordance (Nonparametric Measure of Association/Correlation Employed with Ordinal Data)." In Handbook of Parametric and Nonparametric Statistical Procedures, 1399–413. Chapman and Hall/CRC, 2020. http://dx.doi.org/10.1201/9780429186196-41.
Full textMartínez-Sarmiento, Daniela Alejandra, María Emily Triana-Jiménez, María Lucía Blanco-Parga, Juliana Martínez-Cárdenas, Valeria Valentina Palencia-Amaya, Luz Adriana Penagos-Fajardo, Jhon Erick Chacón-Ruiz, et al. "Pertinencia y conveniencia de dos videojuegos para estimular las funciones ejecutivas en adultos con deterioro cognitivo leve." In Semilleros: contribuciones investigativas desde la psicología a realidades sociales en Colombia, 41–56. Editorial Universidad Católica de Colombia, 2021. http://dx.doi.org/10.14718/9789585133884.2021.2.
Full textShevchuk, Oleksandr, and Svitlana Kiporenko. "FINANCIAL SUSTAINABILITY OF AGRICULTURAL ENTERPRISES: DEVELOPMENT AND APPROVAL OF THE INTEGRATED EVALUATION MODEL." In Global trends and prospects of socio-economic development of Ukraine. Publishing House “Baltija Publishing”, 2022. http://dx.doi.org/10.30525/978-9934-26-193-0-14.
Full textConference papers on the topic "Coefficient of concordance"
Lubenets, Yuri V., and Artem Miroshnikov. "Weighted Alternative Coefficient of Concordance." In 2023 5th International Conference on Control Systems, Mathematical Modeling, Automation and Energy Efficiency (SUMMA). IEEE, 2023. http://dx.doi.org/10.1109/summa60232.2023.10349435.
Full textLubenets, Yuri V., and Artem Miroshnikov. "Using an Alternative Coefficient of Concordance for Features Clustering." In 2022 4th International Conference on Control Systems, Mathematical Modeling, Automation and Energy Efficiency (SUMMA). IEEE, 2022. http://dx.doi.org/10.1109/summa57301.2022.9974028.
Full textXu, Weichao, Zhaoguo Chen, and Wenqing Liu. "A new coefficient of concordance with applications to biosignal analysis." In Ninth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2015), edited by Jianguo Liu and Hong Sun. SPIE, 2015. http://dx.doi.org/10.1117/12.2210993.
Full textPandit, Vedhas, and Björn Schuller. "The many-to-many mappings between the concordance correlation coefficient, the mean square error and the correlation coefficient." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: ICNAAM2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0213755.
Full textScheidsteger, Thomas, Robin Haunschild, and Lutz Bornmann. "How similar are field-normalized scores from different free or commercial databases calculated for large German universities?" In 27th International Conference on Science, Technology and Innovation Indicators (STI 2023). International Conference on Science, Technology and Innovation Indicators, 2023. http://dx.doi.org/10.55835/6441118c643beb0d90fc543f.
Full textGautam, Triambica, Amit Srivastava, and Shruti Jain. "Data Envelopment Analysis and Kendell’s Coefficient of Concordance for Efficiency Evaluation of State Co-operative Banks." In 2022 5th International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT). IEEE, 2022. http://dx.doi.org/10.1109/impact55510.2022.10029189.
Full textHarpa, Rodica, Cristina Piroi, and Irina Cristian. "STAT-CONCOR: SOFTWARE FOR VALIDATING THE PANEL OF ASSESSORS, SUBSEQUENTLY TO THE FABRIC HAND EVALUATION." In eLSE 2017. Carol I National Defence University Publishing House, 2017. http://dx.doi.org/10.12753/2066-026x-17-237.
Full textBarbu, Ionel. "THE PROGRAM FOR EXPERIMENTAL DATA PROCESSING IN COTTON SPINNING MILL." In eLSE 2018. Carol I National Defence University Publishing House, 2018. http://dx.doi.org/10.12753/2066-026x-18-159.
Full textMoreto-Planas, L., MJ Sagrado, R. Mahajan, J. Gallo, E. Biague, R. Goncalves, P. Nuozzi, et al. "Can point-of-care ultrasound support tuberculosis diagnosis in children? The experience of MSF in Guinea-Bissau." In MSF Scientific Days International 2022. NYC: MSF-USA, 2022. http://dx.doi.org/10.57740/b8m1-p572.
Full textGuder, Larissa, João Paulo Aires, Felipe Meneguzzi, and Dalvan Griebler. "Dimensional Speech Emotion Recognition from Bimodal Features." In Simpósio Brasileiro de Computação Aplicada à Saúde. Sociedade Brasileira de Computação - SBC, 2024. http://dx.doi.org/10.5753/sbcas.2024.2779.
Full textReports on the topic "Coefficient of concordance"
Ye, Feifei. Validity, Reliability, and Concordance of the Duolingo English Test. Duolingo, May 2014. http://dx.doi.org/10.46999/eixn6416.
Full textWeller, Joel I., Derek M. Bickhart, Micha Ron, Eyal Seroussi, George Liu, and George R. Wiggans. Determination of actual polymorphisms responsible for economic trait variation in dairy cattle. United States Department of Agriculture, January 2015. http://dx.doi.org/10.32747/2015.7600017.bard.
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