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5601
Radiação solar estimada com base na temperatura do ar para três regiões de Minas Gerais Estimation of solar radiation by air temperature models for three regions of Minas Gerais...
Published 2012-01-01“…For all models local calibration coefficients were derived. The performance of each method was evaluated using the following statistical indicators: coefficient of determination (R²), root mean square error (RMSE), mean bias error (MBE) and test-t. …”
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5602
Digital Twin-Based Technical Research on Comprehensive Gear Fault Diagnosis and Structural Performance Evaluation
Published 2025-04-01“…The experimental verification shows that the fault diagnosis accuracy of the system is more than 99%, the average value of the determination coefficient (R<sup>2</sup>) of the stress prediction model is 0.9339 (driving wheel) and 0.9497 (driven wheel), and supports the real-time display of three-dimensional cloud images. …”
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5603
Reliability of the use of foot pressure pain threshold in adults: a test-retest analysis
Published 2025-08-01“…Method Using a JTECH Commander digital algometer, an experienced podiatrist measured the pressure pain thresholds at four locations on the sole of the dominant and non-dominant foot (head of the first metatarsal, head of the fifth metatarsal, pulp of the first toe, and center of the heel) in 15 male and 16 female volunteers aged 55 to 75. …”
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5604
Research on the Simulation Model of Dynamic Shape for Forest Fire Burned Area Based on Grid Paths from Satellite Remote Sensing Images
Published 2025-01-01“…The results show that RF is the optimal model with 49.55 m for root mean square error (RMSE), 29.19 m for mean absolute error (MAE) and 0.9823 for coefficient of determination (R<sup>2</sup>). This study used the RF model to construct the shape of burned areas by predicting lengths of all straight path distances from the ignition point to the fire line. …”
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5605
Evaluating the clinical relevance and reliability of outer retinal band length on optical coherence tomography in retinal disease: a cross-sectional study
Published 2023-12-01“…Objectives Hyper-reflective outer retinal band (HORB) disruptions are reported across a range of retinal disease, yet a reliable, easily implemented assessment method and thorough evaluation of their association to retinal disease is lacking. …”
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5606
Mapping soil salinity in irrigated areas using hyperspectral UAV imagery
Published 2025-02-01“…This model achieved a determination coefficient of 0.825 and a root mean square error of 2.254 g/kg. ③ Integrating the BPNN model with GIS enabled estimation of spatial variation of soil salinity. …”
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5607
PENGARUH RESPON VIEWERS TENTANG KONTEN FOOD VLOGGER @JOGJABIKINLAPER TERHADAP MINAT BELI MAKANAN DI YOGYAKARTA
Published 2023-02-01“…This study uses a quantitative approach with a survey method. The sample size of this study was 100 respondents. …”
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5608
Synergistic Effect of Influence Factors on Ammonia Volatilization in Fertilizer Solution: A Laboratory Experiment
Published 2024-11-01“…The quantitative equation took into account the coefficient of determination and degrees of polynomial, and the ammonia volatilization fluxes can be calculated by using these equations.…”
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5609
Incorporating stand parameters in nonlinear height-diameter mixed-effects model for uneven-aged Larix gmelinii forests
Published 2025-01-01“…Model performance was assessed using root mean square error (RMSE), mean absolute error (MAE), and the coefficient of determination (R2). Results identified the Ratkowsky model (M8) as the best performer, achieving the highest R2 (0.74), the lowest RMSE (16.47%) and MAE (12.50%), at statistically significant regression coefficients (p < 0.05). …”
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5610
Regression analysis and artificial neural networks for predicting pine species volume in community forests
Published 2025-11-01“…The quantitative variables were diameter at breast height and total tree height, while the qualitative variables were species (P. patula and P. pseudostrobus) and volume type (whole-tree volume and stem volume), both coded as 1 and 0, respectively. The relative rank method was used to identify the most effective models based on goodness-of-fit statistics, including the coefficient of determination (R2), average absolute error (AAE), total relative error (TRE), average systematic error (ASE), and mean percent standard error (MPSE). …”
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5611
Development and Evaluation of Machine Learning Models for Air-to-Land Temperature Conversion Using the Newly Established Kunlun Mountain Gradient Observation System
Published 2024-11-01“…The results demonstrated that the CatBoost algorithm outperformed the others under complex terrain and climatic conditions, achieving a coefficient of determination (R<sup>2</sup>) of 0.997 and the lowest root mean square error (RMSE) of 0.627 °C, indicating superior robustness and accuracy. …”
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5612
Predicting Thermal Conductivity of Nanoparticle-Doped Cutting Fluid Oils Using Feedforward Artificial Neural Networks (FFANN)
Published 2025-04-01“…The model demonstrated high predictive accuracy, with a reliability of R = 0.99628 and a coefficient of determination (R<sup>2</sup>) of 0.9999. …”
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5613
Strategies for Soil Salinity Mapping Using Remote Sensing and Machine Learning in the Yellow River Delta
Published 2025-07-01“…Notably, under Strategy IX, the SVR model achieved the best predictive performance, with a coefficient of determination (R<sup>2</sup>) of 0.62 and a root mean square error (RMSE) of 0.38 g/kg. …”
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5614
On the Study of Geomorphic Evidence of Sirvan River Flood in order to Estimate the Maximum Flood Discharge, in Different Return Periods
Published 2015-11-01“…Moreover, the metric measurements of the stratigraphy were drawn in the environment of drawing LAND software. Determining the Manning roughness coefficient, the data were entered the environment of additional GEO-RAS from GIS environment to model the riverbed. …”
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5615
Complex assessing of aridity in Ukraine
Published 2024-12-01“…The purpose of article is to characterize the patterns of the spatial distribution and changes over time of aridity indices on the territory of Ukraine for the period 1961-2020. Data and methods. The Pinna combinative index (PCI) and its modification (PCIm) were used to determine the aridity assessment. …”
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5616
Stability Charts for Pseudostatic Stability Analysis of Rock Slopes Using the Nonlinear Hoek–Brown Strength Reduction Technique
Published 2020-01-01“…The proposed charts provide an efficient and convenient way to determine the FOS of rock slopes directly from the rock mass properties (γ and σci), the HB parameters (mi and GSI), the slope geometry (H and β), and the horizontal seismic coefficients (kh).…”
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5617
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5618
Knowledge, attitudes, and practices regarding avian influenza among poultry farmers near migratory bird habitats in Guidong County, China
Published 2025-06-01“…ObjectiveTo assess the knowledge, attitudes, and preventive behaviors (KAP) regarding avian influenza among poultry farmers living near migratory bird habitats in Guidong County, China, and to identify determinants of these practices using structural equation modeling.MethodsA cross-sectional survey was conducted in July 2021 among 221 poultry farmers from three towns adjacent to migratory bird habitats. …”
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5619
The study of the structure of anxiety in athletes
Published 2020-08-01“…Objective: to study the structure of disorders caused by anxiety in athletes. Materials and methods: the objects of the first task of the research were different terminological definitions and classifications of anxiety disorders. …”
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5620
Variational quantum circuit-based quantum machine learning approach for predicting corrosion inhibition efficiency of pyridine-quinoline compounds
Published 2024-06-01“…With a coefficient of determination (R2), root mean square error (RMSE), mean absolute error (MAE), and mean absolute deviation (MAD) values of 0.989, 0.027, 0.024, and 0.019, respectively, VQC performs better. …”
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