Search alternatives:
coefficient » efficient (Expand Search)
Showing 6,041 - 6,060 results of 7,046 for search 'determined coefficient methods', query time: 0.20s Refine Results
  1. 6041

    Active Razor Shell CaO Catalyst Synthesis for Jatropha Methyl Ester Production via Optimized Two-Step Transesterification by A. N. R. Reddy, A. A. Saleh, M. S. Islam, S. Hamdan

    Published 2017-01-01
    “…The regression model adequacy ascertained thru coefficient of determination (R2: 95.81%). A JME yield of 98.80% was noted at C (3.10 wt.%), M (54.24 mol.…”
    Get full text
    Article
  2. 6042

    Application of Fourier Transform Near-Infrared Spectroscopy and Chemometrics for Quantitative Analysis of Milk of Lime (MOL) Used in the Sugar Industry by Radosław Michał Gruska, Alina Kunicka-Styczyńska, Magdalena Molska

    Published 2025-05-01
    “…The predictive performance was assessed using the coefficient of determination (R<sup>2</sup>). High predictive accuracy was observed for density (PLS: R<sup>2</sup> = 0.8274; PCR: R<sup>2</sup> = 0.8795) and calcium oxide availability (PLS: R<sup>2</sup> = 0.9035; PCR: R<sup>2</sup> = 0.9115). …”
    Get full text
    Article
  3. 6043

    DS-AdaptNet: An Efficient Retinal Vessel Segmentation Framework With Adaptive Enhancement and Depthwise Separable Convolutions by Shuting Chen, Chengxi Hong, Hong Jia

    Published 2025-01-01
    “…Our comprehensive experiments on three benchmark retinal vessel segmentation datasets demonstrate that the proposed DS-AdaptNet achieves state-of-the-art performance while maintaining exceptional efficiency. Notably, our method attains a Dice coefficient of 0.8328 on DRIVE, 0.8110 on CHASE_DB1, and 0.8515 on STARE, consistently outperforming existing approaches. …”
    Get full text
    Article
  4. 6044

    Functional and phylogenetic β diversities and their link with clustering/overdispersion and uniqueness/redundancy by Sandrine Pavoine, Carlo Ricotta

    Published 2024-11-01
    “…Here, we develop a new method for partitioning FP β diversity into elementary components to determine how and why FP β diversity differs from species β diversity, with the latter reflecting only differences in species' abundances between communities. …”
    Get full text
    Article
  5. 6045

    Variogram modelling optimisation using genetic algorithm and machine learning linear regression: application for Sequential Gaussian Simulations mapping by André William Boroh, Alpha Baster Kenfack Fokem, Martin Luther Mfenjou, Firmin Dimitry Hamat, Fritz Mbounja Besseme

    Published 2025-06-01
    “…The study combines GA and machine learning to optimise variogram parameters, including range, sill, and nugget, by minimising the root mean square error (RMSE) and maximising the coefficient of determination (R2). The experimental variograms were computed and modelled using theoretical models, followed by optimisation via evolutionary algorithms. …”
    Get full text
    Article
  6. 6046

    Impact of bladder volume on renal pelvis dimensions in pediatric hydronephrosis by Ahmet Tanyeri, Emir Hüseyin Nevai, Mehmet Burak Çildağ, Mustafa Gök

    Published 2025-06-01
    “…Paired t-tests and Pearson’s correlation coefficient were applied for statistical analysis. …”
    Get full text
    Article
  7. 6047

    Associação entre níveis plasmáticos de homocisteína e acidente vascular cerebral isquêmico: estudo transversal analítico Association between plasmatic levels of homocysteine and st... by Lillian Harboe-Gonçalves, Luiz Sérgio Vaz, Marcelo Buzzi

    Published 2005-03-01
    “…METHOD: Transversal analytic observational study of 104 patients with the diagnosis of ischemic stroke and 98 healthy controls had blood homocysteine analyzed by high performance liquid chromatography. …”
    Get full text
    Article
  8. 6048

    Assessing the impact of five teaching strategies on the academic performance of senior high school students in financial accounting: A case study in Wa by Mahasus Abubakari Kassim, Samuel Marfo, Karim Abu

    Published 2025-01-01
    “…Using Yamane's sample size determination formula and a simple random sampling method, 200 participants were initially recruited to account for potential attrition. …”
    Get full text
    Article
  9. 6049

    Wavelet Multiresolution Analysis-Based Takagi–Sugeno–Kang Model, with a Projection Step and Surrogate Feature Selection for Spectral Wave Height Prediction by Panagiotis Korkidis, Anastasios Dounis

    Published 2025-08-01
    “…The predictive scheme with the projection step yields a coefficient of determination of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0.9991</mn></mrow></semantics></math></inline-formula>, indicating a high level of accuracy. …”
    Get full text
    Article
  10. 6050

    Modeling residue formation from crude oil oxidation using tree-based machine learning approaches by Mohammad-Reza Mohammadi, Seyyed-Mohammad-Mehdi Hosseini, Behnam Amiri-Ramsheh, Saptarshi Kar, Ali Abedi, Abdolhossein Hemmati-Sarapardeh, Ahmad Mohaddespour

    Published 2025-07-01
    “…Moreover, it recorded a determination coefficient (R2) value of 0.9993, highlighting its exceptional predictive capability. …”
    Get full text
    Article
  11. 6051

    Customization of an efficient and cost-effective optical biosensor for trace cadmium detection in milk samples by Varsha S. Pawar, Shivaji D. Pawar, Harish Mudila, Arif D. Sheikh, Ajeet Kaushik, Anil Kumar

    Published 2025-03-01
    “…An activity assay was performed for immobilized urease at pH 7.5; the optimized enzyme was 67 % stable for up to four weeks of storage at 4 °C due to excellent crosslinking during functionalization and immobilization. The coefficient of determination (R2) was calculated to measure the proportion of biosensor readings with standard readings obtained by the ICP-MS readings. …”
    Get full text
    Article
  12. 6052

    Structural and magneto-elastic properties of samarium doped cobalt–nickel ferrite ceramics obtained by spark plasma sintering by Mario German Ibuado, Renee Joselin Sáenz-Hernández, Carlos Roberto Santillan-Rodriguez, Jose Andres Matutes-Aquino, María Cristina Grijalva-Castillo

    Published 2025-03-01
    “…The present work focused on fabricating and characterizing the magneto-structural properties of pure spinel ferrite nanoparticles and Co0.8Ni0.2Fe2-xSmxO4 (x = 0.01, 0.02) using the sol-gel method, and then producing pellets using the spark plasma sintering technique. …”
    Get full text
    Article
  13. 6053

    The asymmetric effect of financial development on energy consumption in sub-Saharan Africa by Winnie Thebuho, Pieter Opperman, Lee-Ann Steenkamp

    Published 2022-12-01
    “…The Autoregressive Distributed Lag (ARDL) panel estimator was employed to test for the linear relationship and symmetric effects of the long-run and short-run coefficients. The asymmetry was determined by decomposing financial development into positive and negative components, employing the non-linear ARDL (NARDL) method. …”
    Get full text
    Article
  14. 6054

    LC-MS/MS Triple Quadrupole Multiresidue Analysis of Pesticides From Soils of Vegetable Farms: A Report From Ethiopia by Hirut Tsegaye Feleke, Tigist Yimer Belete

    Published 2025-01-01
    “…The physicochemical properties of the soils were also determined following appropriate procedures. The analytical method was accurate with a percentage recovery of 71%–120% and acceptable with correlation coefficients greater than 0.992. …”
    Get full text
    Article
  15. 6055

    Three-Dimensional Vibration Analysis of Isotropic and Orthotropic Open Shells and Plates with Arbitrary Boundary Conditions by Guoyong Jin, Tiangui Ye, Shuangxia Shi

    Published 2015-01-01
    “…All the expansion coefficients are then treated equally as independent generalized coordinates and determined by the Rayleigh-Ritz procedure. …”
    Get full text
    Article
  16. 6056

    Extracellular volume fraction quantification by equilibrium contrast-enhanced CT via automated segmentation predicts survival outcomes in bladder cancer: a propensity score-matched... by Weiwei Liu, Yusheng Guo, Bingxin Gong, Xiaona Fu, Jie Lou, Peng Sun, Yi Li, Shanshan Jiang, Lianwei Miao, Feng Pan, Lian Yang

    Published 2025-12-01
    “…Correlations between ECV scores and pathological T stage (whether muscle invasion was present) were determined by using Pearson correlation coefficients. …”
    Get full text
    Article
  17. 6057

    Modelos matemáticos para predição da chuva de projeto para regiões do Estado de Minas Gerais Mathematical models for the estimation of rainfall in selected regions of Minas Gerais... by Carlos R. de Mello, Antônio M. da Silva, José M. de Lima, Daniel F. Ferreira, Marcelo S. de Oliveira

    Published 2003-04-01
    “…The regional parameters were estimated by non-linear multiple regression, using Gauss-Newton's method. The goodness of the models was evaluated by the coefficient of determination and mean errors of prediction as compared to the original data. …”
    Get full text
    Article
  18. 6058

    Evaluación de la fuerza a través de la cinética del lactato y su correlación con el vo2max y frecuencia cardíaca en población con factores de riesgo: implicaciones para la salud me... by Mauro Tauda, Eduardo Joel Cruzat Bravo, Felipe Ignacio Suárez Rojas

    Published 2024-05-01
    “…A strong association was observed between maximum heart rate (FC max) in endurance and strength, with a coefficient of determination (R²) of 0.981 (p < 0.001). …”
    Get full text
    Article
  19. 6059

    Patient centered outcomes in stroke: utility-weighted modified Rankin Scale results in a community-based study by Carlos Delfino, Gabriel Cavada, Lorena Hoffmeister, Pablo Lavados, Pablo Lavados, Paula Muñoz Venturelli, Paula Muñoz Venturelli, Paula Muñoz Venturelli

    Published 2025-03-01
    “…We aimed to derive utility-weighted modified Rankin Scale (UW-mRS) values by mapping mRS functional status to EQ-5D-3L scores in a population-based cohort of stroke patients.MethodsThe UW-mRS was obtained by analyzing the EQ5-D-3 L and mRS scores at 180 days after any stroke in the ÑANDU study, a large prospective community-based study in Chile. …”
    Get full text
    Article
  20. 6060

    Using an LED Light Source Coupled With Spectral Image Analysis for Non-Invasive Glucose Detection by Zhi Ting Ye, Shen Fu Tseng, Shang Xuan Tsou, Wen Tsung Ho

    Published 2024-01-01
    “…The regression equation for the red channel was y &#x003D; &#x2212;3.1184x&#x002B;148.2, with a coefficient of determination (R<sup>2</sup>) of 0.9165, a limit of detection (LOD) of 2.27 mM, and a limit of quantification (LOQ) of 6.88 mM. …”
    Get full text
    Article