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Relevant bibliographies by topics / COEFFICIENT ESTIMATES

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Academic literature on the topic 'COEFFICIENT ESTIMATES'

Author: Grafiati

Published: 11 September 2023

Last updated: 26 July 2025

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Journal articles on the topic "COEFFICIENT ESTIMATES"

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Lentz, S. J., K. A. Davis, J. H. Churchill, and T. M. DeCarlo. "Coral Reef Drag Coefficients – Water Depth Dependence." Journal of Physical Oceanography 47, no. 5 (2017): 1061–75. http://dx.doi.org/10.1175/jpo-d-16-0248.1.

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AbstractA major challenge in modeling the circulation over coral reefs is uncertainty in the drag coefficient because existing estimates span two orders of magnitude. Current and pressure measurements from five coral reefs are used to estimate drag coefficients based on depth-average flow, assuming a balance between the cross-reef pressure gradient and the bottom stress. At two sites wind stress is a significant term in the cross-reef momentum balance and is included in estimating the drag coefficient. For the five coral reef sites and a previous laboratory study, estimated drag coefficients i

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Zaprawa, Paweł, and Katarzyna Tra̧bka-Wiȩcław. "Estimates of Coefficient Functionals for Functions Convex in the Imaginary-Axis Direction." Symmetry 12, no. 10 (2020): 1736. http://dx.doi.org/10.3390/sym12101736.

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Let C0(h) be a subclass of analytic and close-to-convex functions defined in the open unit disk by the formula Re{(1−z2)f′(z)}>0. In this paper, some coefficient problems for C0(h) are considered. Some properties and bounds of several coefficient functionals for functions belonging to this class are provided. The main aim of this paper is to find estimates of the difference and of sum of successive coefficients, bounds of the sum of the first n coefficients and bounds of the n-th coefficient. The obtained results are used to determine coefficient estimates for both functions convex in the i

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Dai, Pingsheng, and Sitong Shen. "Estimation of the Gini coefficient based on two quantiles." PLOS ONE 20, no. 2 (2025): e0318833. https://doi.org/10.1371/journal.pone.0318833.

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Based on the Palma proposition and the Lorenz fitting curve, this paper estimates the sample Gini coefficient using the income share of the top 10% and bottom 40% of the population. Empirical research shows that the absolute error between the estimated value and sample Gini coefficient is within a hundredth. Monte Carlo simulation shows that the new method has good performance and robustness for estimating Gini coefficients with different sample sizes and different inequality levels. Using the two quantiles in the deciles to estimate the sample Gini coefficient and the Lorenz fitting curve is

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Idrisa, Hamimu, S. A. Kadam, and S. D. Gorantiwar. "Estimation of Crop Coefficients Based on Normalize Difference Vegetation Index." Journal of Agriculture Research and Technology 47, no. 03 (2022): 381–88. http://dx.doi.org/10.56228/jart.2022.47320.

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Crop coefficient is one of the most important parameters used for the estimation of crop evapotranspiration (ETc). Crop coefficient (Kc)-based estimation of crop evapotranspiration is most commonly used methods for irrigation water management. However, crop coefficient approach used for estimation ETc using the generalized crop coefficients mentioned in Irrigation and Drainage Paper No. 56 of the Food and Agricultural Organization of the United Nations can contribute to crop evapotranspiration estimates that are substantially different from actual crop evapotranspiration. The colinear relation

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Darus, Maslina, and Ajab Akbarally. "Coefficient estimates for Ruscheweyh derivatives." International Journal of Mathematics and Mathematical Sciences 2004, no. 36 (2004): 1937–42. http://dx.doi.org/10.1155/s0161171204309051.

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We consider functionsf, analytic in the unit disc and of the normalized formf(z)=z+∑n=2∞anzn. For functionsf∈R¯δ(β), the class of functions involving the Ruscheweyh derivatives operator, we give sharp upper bounds for the Fekete-Szegö functional|a3−μa22|.

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Akgül, Arzu. "Initial Coefficient Estimates of Bi-Univalent Functions Linked with Balancing Coefficients." WSEAS TRANSACTIONS ON MATHEMATICS 22 (October 23, 2023): 792–97. http://dx.doi.org/10.37394/23206.2023.22.87.

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Raghunathan, Trivellore E., Paula K. Diehr, and Allen D. Cheadle. "Combining Aggregate and Individual Level Data to Estimate an Individual Level Correlation Coefficient." Journal of Educational and Behavioral Statistics 28, no. 1 (2003): 1–19. http://dx.doi.org/10.3102/10769986028001001.

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Methods are developed that use aggregate data, possibly based on a large number of individuals, and individual level data, from a small fraction of individuals from the same or similar population, to eliminate ecological bias inherent in the analysis of aggregate data. The primary focus is on estimating the individual level correlation coefficient but the proposed methodology can be extended to estimate regression coefficients. Two approaches, the method of moments and the maximum likelihood, are developed for a bivariate distribution, but can be extended to a multivariate distribution. The me

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Zaprawa, Paweł, Anna Futa, and Magdalena Jastrzębska. "On Coefficient Functionals for Functions with Coefficients Bounded by 1." Mathematics 8, no. 4 (2020): 491. http://dx.doi.org/10.3390/math8040491.

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In this paper, we discuss two well-known coefficient functionals a 2 a 4 - a 3 2 and a 4 - a 2 a 3 . The first one is called the Hankel determinant of order 2. The second one is a special case of Zalcman functional. We consider them for functions in the class Q R ( 1 2 ) of analytic functions with real coefficients which satisfy the condition ( ) f ( z ) z > 1 2 for z in the unit disk Δ . It is known that all coefficients of f ∈ Q R ( 1 2 ) are bounded by 1. We find the upper bound of a 2 a 4 - a 3 2 and the bound of | a 4 - a 2 a 3 | . We also consider a few subclasses of Q R ( 1 2 ) and w

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Chiew, FHS, and TA Mcmahon. "Assessing the adequacy of catchment streamflow yield estimates." Soil Research 31, no. 5 (1993): 665. http://dx.doi.org/10.1071/sr9930665.

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Rainfall-runoff models are frequently used by hydrologists to estimate runoff from rainfall and climate data, with the model adequacy assessed by comparing the level of agreement between flows simulated by the model and the recorded flows. This paper describes simple methods (visual plots, statistical parameters and dimensionless coefficients) which are commonly used to compare estimated and recorded streamflow time series and discusses their advantages and limitations. Results of a survey conducted to ascertain the required quality of flow estimates before they are considered to be satisfacto

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Green, Edwin J., and William E. Strawderman. "Stein-rule estimation of coefficients for 18 eastern hardwood cubic volume equations." Canadian Journal of Forest Research 16, no. 2 (1986): 249–55. http://dx.doi.org/10.1139/x86-044.

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A Stein-rule estimator, which shrinks least squares estimates of regression parameters toward their weighted average, was employed to estimate the coefficient in the constant form factor volume equation for 18 species simultaneously. The Stein-rule procedure was applied to ordinary least squares estimates and weighted least squares estimates. Simulation tests on independent validation data sets revealed that the Stein-rule estimates were biased, but predicted better than the corresponding least squares estimates. The Stein-rule procedures also yielded lower estimated mean square errors for the

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Dissertations / Theses on the topic "COEFFICIENT ESTIMATES"

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Galstian, Anahit. "Lp - Lq decay estimates for the equation with exponentially growing coefficient." Universität Potsdam, 2001. http://opus.kobv.de/ubp/volltexte/2008/2607/.

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Wilson, Celia M. "Attenuation of the Squared Canonical Correlation Coefficient Under Varying Estimates of Score Reliability." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc30528/.

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Research pertaining to the distortion of the squared canonical correlation coefficient has traditionally been limited to the effects of sampling error and associated correction formulas. The purpose of this study was to compare the degree of attenuation of the squared canonical correlation coefficient under varying conditions of score reliability. Monte Carlo simulation methodology was used to fulfill the purpose of this study. Initially, data populations with various manipulated conditions were generated (N = 100,000). Subsequently, 500 random samples were drawn with replacement from each pop

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Patterson, Mason Foushee. "Standardization of Street Sampling Units to Improve Street Tree Population Estimates Derived by I-Tree Streets Inventory Software." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/42687.

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Street trees are a subpopulation of the urban forest resource and exist in the rights-of-way adjacent to public roads in a municipality. Benefit-cost analyses have shown that the annual benefits provided by the average street tree far outweigh the costs of planting and maintenance. City and municipal foresters spend a majority of their time and resources managing street tree populations. Sample street tree inventories are a common method of estimating municipal street tree populations for the purposes of making urban forest policy, planning, and management decisions. i-Tree Streets is a su

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Semaško, Ala. "Baigtinės populiacijos koreliacijos koeficiento vertinimas, naudojant papildomus kintamuosius." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110711_110917-80836.

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Šiame magistro darbe nagrinėjamos papildomos informacijos panaudojimo galimybės konstruojant baigtinės populiacijos koreliacijos koeficiento įvertinius. Taikant imties plano svorių kalibravimo metodus sukonstruojami aštuoni nauji koreliacijos koeficiento įvertiniai. Įvertiniams konstruoti panaudotos kelios kalibravimo lygčių ir atstumo funkcijų kombinacijos. Kalibruotieji svoriai išvesti pasitelkiant Lagranžo neapibrėžtųjų daugiklių metodą. Naudojant Teiloro ištiesinimo ir visrakčio metodus sukonstruojami koreliacijos koeficiento įvertinių dispersijos įvertiniai. Darbe taip pat atliekamas mate

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Blair, Matthew D. "Strichartz estimates for wave equations with coefficients of Sobolev regularity /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/5745.

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CAFFERATA, Mattia. "Estimates for a family of exponential sums with modular coefficients." Doctoral thesis, Università degli studi di Ferrara, 2019. http://hdl.handle.net/11392/2488054.

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In this work we establish non-trivial estimates for a family of exponential sums weighted with modular coefficients. Two sequences of weights are considered: the sequence {a_f(n)} of the normalized Fourier coefficients of a cuspidal eigenform f and the sequence {\mu_f(n)} obtained as the inverse of {a_f(n)} with respect to the Dirichlet convolution. The main tool developed for our proof is a generalisation of a result due to Bourgain, Sarnak and Ziegler which is widely used to study the orthogonality properties of the Moebius function \mu(n). We remark that the function \mu_f(n) is strictly re

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SHANG, FENG. "PATH-DEPENDENT APPROACH TO ESTIMATE CHLORINE WALL DEMAND COEFFICIENT IN WATER DISTRIBUTION SYSTEM." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1109274766.

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Petzoldt, Martin. "Regularity and error estimators for elliptic problems with discontinuous coefficients." [S.l.] : [s.n.], 2001. http://www.diss.fu-berlin.de/2001/111/index.html.

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Glenn, L. Lee, and Jeff R. Knisley. "Use of Eigenslope to Estimate Fourier Coefficients for Passive Cable Models of the Neuron." Digital Commons @ East Tennessee State University, 1997. https://dc.etsu.edu/etsu-works/7540.

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Boundary conditions for the cable equation - such as voltage-clamped or sealed cable ends, branchpoints, somatic shunts, and current clamps - result in multi-exponential series representations of the voltage or current. Each term in the series expansion is characterized by a decay rate (eigenvalue) and an initial amplitude (Fourier coefficient). The eigenvalues are determined numerically and the Fourier coefficients are subsequently given by the residues at the eigenvalues of the Laplace transform of the solution. In this paper, we introduce an alternative method for estimating the Fourier coe

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Benhmida, Saïd. "Robustesse et comportement asymptotique d'un TRA-estimateur des coefficients d'un processus ARMA (p,q)." Nancy 1, 1995. http://www.theses.fr/1995NAN10035.

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Le but essentiel de ce travail est de définir et étudier un estimateur robuste des coefficients d'un modèle moyenne mobile, d'ordre q entier supérieur ou égal a un. Nous commençons par établir la définition d'un estimateur (basé sur les autocovariances des résidus tronqué) pour les coefficients d'un modèle moyenne mobile d'ordre q et ses liens avec d'autres estimateurs. Après avoir introduit la notion de robustesse dans le cadre des séries chronologiques, nous étudions la robustesse de cet estimateur, ou nous montrons que sa fonction d'influence est bornée. Nous nous intéressons aussi au compo

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Books on the topic "COEFFICIENT ESTIMATES"

1

Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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Carter, Thomas E. Coefficient-of-parentage and genetic-similarity estimates for 258 North American soybean cultivars released by public agencies during 1945-88. U.S. Dept. of Agriculture, Agricultural Research Service, 1993.

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7

Arulampalam, Wiji. A note on estimated coefficients in random effects probit models. University of Warwick, Department of Economics, 1998.

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8

Morelli, Eugene A. Determining the accuracy of aerodynamic model parameters estimated from flight test data. American Institute of Aeronautics and Astronautics, 1995.

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Morelli, Eugene A. Determining the accuracy of aerodynamic model parameters estimated from flight test data. American Institute of Aeronautics and Astronautics, 1995.

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Morelli, Eugene A. Determining the accuracy of aerodynamic model parameters estimated from flight test data. American Institute of Aeronautics and Astronautics, 1995.

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Book chapters on the topic "COEFFICIENT ESTIMATES"

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I. Gurariy, Vladimir, and Wolfgang Lusky. "Coefficient Estimates and the Müntz Theorem." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11551621_6.

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Schifano, Sonia, Tiago Ferreira Flores, and Antoine Paccoud. "Inequality in pre-industrial Luxembourg (1766-1842): comparing the effects of the end of feudalism in rural and urban areas." In Datini Studies in Economic History. Firenze University Press, 2025. https://doi.org/10.36253/979-12-215-0667-9.17.

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This paper uses the land distribution derived from the Maria Theresa cadastre in Luxembourg from 1766 and a land registry of 1842 to compare wealth inequality in Luxembourg City and Dudelange, a rural municipality in the south of the country. The Gini coefficients for the two areas show a big difference in inequality. In 1766, Dudelange, with a Gini coefficient of 0.84, seems to be much more unequal than Luxembourg City that registers a Gini coefficient on land distribution of 0.53. The inequality analysis in 1842 shows a reduction in the inequality estimates mainly driven by the abolishment o

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Metcalfe, Jason, and Daniel Tataru. "Decay Estimates for Variable Coefficient Wave Equations in Exterior Domains." In Advances in Phase Space Analysis of Partial Differential Equations. Birkhäuser Boston, 2009. http://dx.doi.org/10.1007/978-0-8176-4861-9_12.

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Hu, Gongzhu, Jinping Wang, and Wenying Feng. "Multivariate Regression Modeling for Home Value Estimates with Evaluation Using Maximum Information Coefficient." In Studies in Computational Intelligence. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32172-6_6.

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Gao, Zhan, and M. Hashem Pesaran. "Identification and estimation of categorical random coefficient models." In Advanced Studies in Theoretical and Applied Econometrics. Springer Nature Switzerland, 2023. https://doi.org/10.1007/978-3-031-48385-1_5.

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AbstractThis paper proposes a linear categorical random coefficient model, in which the random coefficients follow parametric categorical distributions. The distributional parameters are identified based on a linear recurrence structure of moments of the random coefficients. A generalized method of moments estimation procedure is proposed, also employed by Peter Schmidt and his coauthors to address heterogeneity in time effects in panel data models. Using Monte Carlo simulations, we find that moments of the random coefficients can be estimated reasonably accurately, but large samples are requi

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Tol, Samantha J., Alexandra Carter, Paul H. York, Alana Grech, Rong Situ, and Robert G. Coles. "Estimates of Wind Drift Coefficient to Inform Biophysical Models of Seagrass Dispersal in the Great Barrier Reef." In Oceanographic Processes of Coral Reefs, 2nd ed. CRC Press, 2024. http://dx.doi.org/10.1201/9781003320425-15.

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von Weizsäcker, Carl Christian, and Hagen M. Krämer. "Real Capital." In Saving and Investment in the Twenty-First Century. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75031-2_4.

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AbstractPreshaped by the influence of Marx, Böhm-Bawerk and modern neoclassical economics, the general opinion is that the marginal product of capital must always be positive. With the help of the “period of production” T, we define a coefficient of intertemporal substitutionψ that is always non-negative. It can also be used when the real interest rate is negative. With the help of the concept of the “waiting period” Z, we can also define an always non-negative coefficient of intertemporal substitutionγ for the household side. The “loss formula” for deviations of the rate of interest from the

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Klainerman, Sergiu, and Francesco Nicolò. "Estimates for the Connection Coefficients." In The Evolution Problem in General Relativity. Birkhäuser Boston, 2003. http://dx.doi.org/10.1007/978-1-4612-2084-8_4.

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ALmazruii, Abdulaziz Abdullah, Noor Lide Abu Kassim, Kamal J. I. Badrasawi, and Haniza Rais. "Psychometric Properties of the Vanderbilt Scale for Detecting Students Who Suffer from Attention Deficit Hyperactivity Disorder in the Cycle One Schools in Al Batinah North Governorate in Oman Based on Rasch Rating Scale Model." In Sustainability, AI and Innovation: Proceedings of the Applied Research in Humanities & Social Sciences (ARHSS 2023). Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2532-1_15.

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Abstract This chapter aimed at identifying the psychometric properties of Vanderbilt’s scale for detecting people who suffer from attention deficit hyperactivity disorder (ADHD) in the cycle one schools in Al Batinah North Governorate in Oman based on the Rasch Rating Scale Model. The scale in its final version consisted of 43 items where items from 1 to 3 followed the quadruple Likert’s scale while items 36 to 43 followed quintuple Likert scale. The scale was applied to a sample consisting of 513 students, including 211 students with attention deficit hyperactivity disorder while 302 normal s

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Iatropoulos, Jannes, Tim Ahrenhold, Leon Salzwedel, and Roman Henze. "Road Friction Adaptive Lateral Control of Automated Vehicles with Differential Braking." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-70392-8_16.

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AbstractDifferential braking offers a promising approach to ensure lateral control of automated vehicles in the event of steering actuator failure. Braking interventions induce longitudinal forces on the wheel, which influence the vehicle’s yaw motion and thus enable lateral control along a given trajectory. Within the scope of this paper, a road friction adaptive system for lateral vehicle control by differential braking on a dry, wet, snow- and ice-covered road is derived simulatively. The investigated friction coefficient adaption is implemented by a variable path planning and calculated on

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Conference papers on the topic "COEFFICIENT ESTIMATES"

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Cottis, Robert A. "Validation of Electrochemical Noise Measurements." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-02020.

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Abstract Electrochemical noise measurement is established as a means of estimation of corrosion rate, and methods for the identification of localized corrosion have been proposed. Many of these methods make the assumption that two electrodes used to measure current noise have similar behavior; this paper examines tests based on measured data that can be used to assess whether or not the current-measuring electrodes can be assumed to be symmetrical (i.e. they have sufficiently similar behavior). It is concluded that the mean current (which should have a value close to zero) cannot be used relia

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Hern, Andy Liew Pik, and Aini Janteng. "Coefficient estimates for some subclasses of bi-univalent functions." In THE 4TH INTERNATIONAL CONFERENCE ON MATHEMATICAL SCIENCES: Mathematical Sciences: Championing the Way in a Problem Based and Data Driven Society. Author(s), 2017. http://dx.doi.org/10.1063/1.4980967.

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Deniz, Erhan, Yekta Gülsün, and Nizami Mustafa. "Coefficient estimates for certain analytic functions satisfying subordinate condition." In II. INTERNATIONAL CONFERENCE ON ADVANCES IN NATURAL AND APPLIED SCIENCES: ICANAS 2017. Author(s), 2017. http://dx.doi.org/10.1063/1.4981651.

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Omar, Rashidah, Suzeini Abdul Halim, and Aini Janteng. "Coefficient estimates for certain subclass of bi-univalent functions." In PROCEEDINGS OF THE 24TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES: Mathematical Sciences Exploration for the Universal Preservation. Author(s), 2017. http://dx.doi.org/10.1063/1.4995829.

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Bhat, Bethany. "Meta-Analytic Pooling of Intraclass Correlation Coefficient Estimates (Poster 19)." In AERA 2022. AERA, 2022. http://dx.doi.org/10.3102/ip.22.1925622.

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Anderson, Janelle J., William D. O'Brien, Timothy J. Hall, et al. "Interlaboratory comparison of backscatter coefficient estimates for tissue-mimicking phantoms." In 2009 IEEE International Ultrasonics Symposium. IEEE, 2009. http://dx.doi.org/10.1109/ultsym.2009.5441613.

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Bhat, Bethany. "Meta-Analytic Pooling of Intraclass Correlation Coefficient Estimates (Poster 35)." In AERA 2024. AERA, 2024. http://dx.doi.org/10.3102/ip.24.2114614.

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AlAmoush, Adnan G., and Maslina Darus. "On coefficient estimates for new generalized subclasses of bi-univalent functions." In THE 2014 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2014 Postgraduate Colloquium. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4895312.

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Yong, Chow Li, Aini Janteng, and Suzeini Abd Halim. "Coefficient estimates for a subclass of bi-close-to-convex functions." In PROCEEDING OF THE 25TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM25): Mathematical Sciences as the Core of Intellectual Excellence. Author(s), 2018. http://dx.doi.org/10.1063/1.5041662.

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Nikiema, Tégawendé, Nicolas Gonze, and Fanny Descamps. "Correlation between Joint Roughness Coefficient (JRC) and statistical roughness parameters." In 4th European Regional Conference of IAEG. University of Zagreb Faculty of Civil Engineering, 2024. https://doi.org/10.5592/co/euroengeo.2024.203.

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Rocks are polycrystalline, heterogeneous, and anisotropic media containing discontinuities that often create planes of weakness. These discontinuities influence the mechanical behavior of the rock mass through their surface morphology, their aperture, and their filling material. Surface morphology is generally characterized by roughness, which is used as an input parameter in analytical or numerical models of rock mass stability. Quantifying the roughness of discontinuities is a complex operation that requires appropriate methodologies and tools. Barton’s Joint Roughness Coefficient (JRC) is w

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Reports on the topic "COEFFICIENT ESTIMATES"

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Bryant, Mary, Duncan Bryant, Leigh Provost, et al. Wave attenuation of coastal mangroves at a near-prototype scale. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45565.

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A physical model study investigating the dissipation of wave energy by a 1:2.1 scale North American red mangrove forest was performed in a large-scale flume. The objectives were to measure the amount of wave attenuation afforded by mangroves, identify key hydrodynamic parameters influencing wave attenuation, and provide methodologies for application. Seventy-two hydrodynamic conditions, comprising irregular and regular waves, were tested. The analysis related the dissipation to three formulations that can provide estimates of wave attenuation for flood risk management projects considering mang

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Larrahondo, Cristhian, Augusto Chávez, Laura Giles Álvarez, and Leandro Gaston Andrian. The exchange rate passthrough to domestic prices, new evidence from Colombia. Inter-American Development Bank, 2025. https://doi.org/10.18235/0013378.

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This paper calculates the exchange rate pass through (ERPT) with time constant and time varying coefficients for Colombia between 2006 and 2023. It then estimates the ERPT during four specific depreciation events during the period of analysis: the 2008 financial crisis, the 2014-2016 fall in international fuel prices, the COVID-19 pandemic and the post-COVID recovery. A Bayesian Vector Autoregressive model with exogenous variables (BVARX) model with time constant and time varying coefficients is used for the exercise. The results for time constant coefficients show that a 1 percentage point (p

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Over, Thomas, Riki Saito, Andrea Veilleux, et al. Estimation of Peak Discharge Quantiles for Selected Annual Exceedance Probabilities in Northeastern Illinois. Illinois Center for Transportation, 2016. http://dx.doi.org/10.36501/0197-9191/16-014.

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This report provides two sets of equations for estimating peak discharge quantiles at annual exceedance probabilities (AEPs) of 0.50, 0.20, 0.10, 0.04, 0.02, 0.01, 0.005, and 0.002 (recurrence intervals of 2, 5, 10, 25, 50, 100, 200, and 500 years, respectively) for watersheds in Illinois based on annual maximum peak discharge data from 117 watersheds in and near northeastern Illinois. One set of equations was developed through a temporal analysis with a two-step least squares-quantile regression technique that measures the average effect of changes in the urbanization of the watersheds used i

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Alvaredo, Facundo, François Bourguignon, Francisco H. G. Ferreira, and Nora Lustig. Seventy-five Years of Measuring Income Inequality in Latin America. Inter-American Development Bank, 2023. http://dx.doi.org/10.18235/0005211.

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Drawing on a comprehensive compilation of quantile shares and inequality measures for 34 countries, including over 5,600 estimated Gini coefficient, we review the measurement of income inequality in Latin America and the Caribbean over the last seven decades. Although the evidence from the first quarter century roughly until the 1970s is too fragmentary and difficult to compare, clearer patterns emerge for last fifty years. The central feature of these patterns is a broad inverted U curve, with inequality rising in most countries prior to the 1990s, and falling during the early 21st Century, a

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Clayton, Khamal, and David Rosenblatt. Searching for a Safe Harbor: Fiscal Policy Responses in Small Island Developing States. Inter-American Development Bank, 2024. http://dx.doi.org/10.18235/0012868.

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Over the last two decades, there has been a growing empirical literature to test whether governments fiscal policies systematically respond to changes in the level of debt-to-GDP. Most research has focused on advanced and emerging economies and has overlooked developing countries, especially small island developing states (SIDS). While Caribbean fiscal reaction functions have been estimated in the literature, this paper fills a gap by broadly including all SIDS in the analysis. We find that weak fiscal sustainability has been maintained, but mostly due to the more recent period of the analysis

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Bonhomme, Stéphane, and Angela Denis. Fixed Effects and Beyond. Bias Reduction, Groups, Shrinkage and Factors in Panel Data. Banco de España, 2025. https://doi.org/10.53479/40051.

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Many traditional panel data methods are designed to estimate homogeneous coefficients. While a recent literature acknowledges the presence of coefficient heterogeneity, its main focus so far has been on average effects. In this paper we review various approaches that allow researchers to estimate heterogeneous coefficients, hence shedding light on how effects vary across units and over time. We start with traditional heterogeneous-coefficients fixed-effects methods, and point out some of their limitations. We then describe bias-correction methods, as well as two approaches that impose addition

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Lora, Eduardo, and Francesca Castellani. Is Entrepreneurship a Channel of Social Mobility in Latin America? Inter-American Development Bank, 2013. http://dx.doi.org/10.18235/0011479.

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This paper provides a summary of the findings contained in a forthcoming issue of the Latin American Journal of Economics on entrepreneurship in Latin America as a vehicle for upward social mobility, especially for the middle class. The income persistence coefficients estimated with pseudo-panel data for Colombia, Ecuador, and Uruguay indicate that entrepreneurial activity is a channel of intergenerational mobility, while the estimates of asset persistence for Mexico using a special survey show that entrepreneurship increases mobility across generations. Although persistence coefficients do no

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Kott, Phillip S. Better Coverage Intervals for Estimators from a Complex Sample Survey. RTI Press, 2020. http://dx.doi.org/10.3768/rtipress.2020.mr.0041.2002.

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Coverage intervals for a parameter estimate computed using complex survey data are often constructed by assuming the parameter estimate has an asymptotically normal distribution and the measure of the estimator’s variance is roughly chi-squared. The size of the sample and the nature of the parameter being estimated render this conventional “Wald” methodology dubious in many applications. I developed a revised method of coverage-interval construction that “speeds up the asymptotics” by incorporating an estimated measure of skewness. I discuss how skewness-adjusted intervals can be computed for

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Menéses-González, María Fernanda, Angélica María Lizarazo-Cuéllar, Diego Cuesta-Mora, and Daniel Esteban Osorio-Ramírez. Financial Development and Monetary Policy Transmission. Banco de la República Colombia, 2022. http://dx.doi.org/10.32468/be.1219.

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This paper estimates the effect of financial development on the transmission of monetary policy. To do so, the paper employs a panel data set containing financial development indicators, policy rates, lending rates, and deposit rates for 43 countries for the period 2000-2019 and applies the empirical strategy of Brandao Marques et al. (2020): firstly, monetary policy shocks are estimated using a Taylor-rule specification that relates changes in the policy rate to inflation, the output gap and other observables that are likely to influencemonetary policy decisions; secondly, the residuals of th

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Wang, Guiming, Bronson Strickland, and Xueyan Shan. Vicksburg National Military Park white‐tailed deer survey. National Park Service, 2025. https://doi.org/10.36967/2307610.

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White-tailed deer (WTD) can exert substantial impacts on the ecosystems in the Southeastern United States, particularly by overabundant WTD populations that are sheltered from recreational hunting pressure such as those in the National Parks. Information on WTD abundance and density is indispensable for science-based WTD population management. WTD populations in Vicksburg National Military Park (VICK) have not been surveyed since 2010. Management of WTD populations has been challenged by the lack of reliable, cost-effective methods, such as a deer visual count-density calibration coefficient,

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