Search Results

A New Descriptive Statistic for Functional Data: Functional Coefficient of Variation,
İstem Köymen Keser, İpek Deveci Kocakoç and Ali Kemal Şehirlioğlu, in Alphanumeric Journal (2016)
Keywords: Coefficient of Variation Function, Descriptive Statistics, Functional Data Analysis

Limit Theory for Locally Flat Functional Coefficient Regression,
Peter Phillips and Ying Wang, from Cowles Foundation for Research in Economics, Yale University (2021)
Keywords: Boundary asymptotics, Functional coefficient regression, Limit theory, Locally flat regression coefficient, Near-parametric rate

Error covariance matrix correction based approach to functional coefficient regression models with generated covariates,
XiaoLi Li and JinHong You, in Journal of Multivariate Analysis (2012)
Keywords: Functional coefficient; Generated covariate; Local polynomial; Consistency;

Partially linear varying coefficient models stratified by a functional covariate,
Arnab Maity and Jianhua Z. Huang, in Statistics & Probability Letters (2012)
Keywords: Functional regression; Kernel smoothing; Profile method; Semi-varying coefficient model;

Functional Coefficient Moving Average Model with Applications to forecasting Chinese CPI,
Song Chen, Lihua Lei and Yundong Tu, from University Library of Munich, Germany (2015)
Keywords: Moving Average model, functional coefficient model, forecasting, Consumer Price Index.

Spurious functional-coefficient regression models and robust inference with marginal integration,
Yundong Tu and Ying Wang, in Journal of Econometrics (2022)
Keywords: Balanced regression; Functional-coefficient cointegration; Spurious regression; Testing;

State dependence in the finance-growth nexus: A functional coefficient approach,
Helmut Herwartz and Yabibal Walle, from University of Goettingen, Department of Economics (2013)
Keywords: finance-growth nexus, financial development, economic growth, functional coefficient model

Functional-coefficient partially linear regression model,
Heung Wong, Riquan Zhang, Wai-cheung Ip and Guoying Li, in Journal of Multivariate Analysis (2008)
Keywords: Back-fitting technique Functional-coefficient model Local linear polynomial technique Nonlinear time series

Functional index coefficient models with variable selection,
Zongwu Cai, Ted Juhl and Bingduo Yang, in Journal of Econometrics (2015)
Keywords: Functional index coefficient autoregressive model; Model selection; Oracle property; Penalty function; Smoothly clipped absolute deviation;

Functional coefficient panel modeling with communal smoothing covariates,
Peter Phillips and Ying Wang, in Journal of Econometrics (2022)
Keywords: Communal covariates; Fixed effects; Functional coefficients; Housing rental prices; Panel data; Tests of constancy;

Functional Coefficient Panel Modeling with Communal Smoothing Covariates,
Peter Phillips and Ying Wang, from Cowles Foundation for Research in Economics, Yale University (2019)
Keywords: Climate modeling, Communal covariates, Fixed effects, Functional coefficients, Panel data, Spatial modeling

Nonparametric Homogeneity Pursuit in Functional-Coefficient Models,
Jia Chen, Degui Li, Lingling Wei and Wenyang Zhang, from Department of Economics, University of York (2019)
Keywords: Functional-coefficient models, Hierarchical agglomerative clustering, Homogeneity, Information criterion, Nonparametric estimation, Penalised method

Varying coefficient partially functional linear regression models,
Qing-Yan Peng, Jian-Jun Zhou and Nian-Sheng Tang, in Statistical Papers (2016)
Keywords: Functional linear models, Global convergence rate, Polynomial spline, Uniform convergence rate, Varying coefficient model

Estimating and Testing for Functional Coefficient Quantile Cointegrating Regression,
Haiqi Li Author-Name-First: Haiqi, Jing Zhang and Chaowen Zheng, from Department of Economics, University of Reading (2023)
Keywords: bootstrap method, functional coefficient quantile cointegrating model, local polynomial approach, PPP theory

Efficient Estimation for Varying-Coefficient Mixed Effects Models with Functional Response Data,
Xiong Cai, Liugen Xue, Xiaolong Pu and Xingyu Yan, in Metrika: International Journal for Theoretical and Applied Statistics (2021)
Keywords: Functional varying coefficient models, Within-subject correlation, Local kernel smoothing, Efficient estimation, Functional responses

Estimation and variable selection for generalized functional partially varying coefficient hybrid models,
Yanxia Liu, Zhihao Wang, Maozai Tian and Keming Yu, in Statistical Papers (2024)
Keywords: Generalized functional partially varying coefficient hybrid models, Nonparametric function estimation, Functional principal component, B-spline, Group SCAD

Nonlinearity between CO 2 Emission and Economic Development: Evidence from a Functional Coefficient Panel Approach,
Kyungsik Nam, Sungro Lee and Hocheol Jeon, in Sustainability (2020)
Keywords: carbon dioxide emission; cointegration; economic growth; functional coefficient panel

Determinants of the link between financial and economic development: Evidence from a functional coefficient model,
Helmut Herwartz and Yabibal Walle, in Economic Modelling (2014)
Keywords: Finance–development relationship; Financial development; Economic development; Functional coefficient model;

Does economic development help achieve the goals of environmental regulation? Evidence from partially linear functional-coefficient model,
Ailun Wang, Shuo Hu and Jianglong Li, in Energy Economics (2021)
Keywords: Environmental regulations; Green productivity; GDP; Partially linear functional-coefficient model;

When bias contributes to variance: True limit theory in functional coefficient cointegrating regression,
Peter Phillips and Ying Wang, in Journal of Econometrics (2023)
Keywords: Bandwidth selection; Bias variability; Functional coefficient cointegration; Kernel regression; Nonstationarity;

Government subsidies and firm-level renewable energy investment: New evidence from partially linear functional-coefficient models,
Rui Bai, Boqiang Lin and Xiying Liu, in Energy Policy (2021)
Keywords: Government subsidies; Renewable energy investment; Partially linear functional-coefficient model;

Functional separable solutions of nonlinear reaction–diffusion equations with variable coefficients,
Andrei D. Polyanin, in Applied Mathematics and Computation (2019)
Keywords: Nonlinear reaction–diffusion equations; Reaction–diffusion equations with delay; Equations with variable coefficients; Exact solutions; Functional separable solutions;

An alternative bandwidth selection method for estimating functional coefficient models,
Xirong Chen, Ta-Cheng Huang and Qi Li, in Economics Letters (2017)
Keywords: Functional coefficient models; Local polynomial estimation; Bandwidth selection; Mean squared errors;

Nonlinear Feynman-Kac formula and discrete-functional-type BSDEs with continuous coefficients,
Ying Hu and JinJin Ma, in Stochastic Processes and their Applications (2004)
Keywords: Backward SDEs with continuous coefficients Discrete-functionals Nonlinear Feynman-Kac formulae Measurable selections

Averaged estimation of functional-coefficient regression models with different smoothing variables,
Riquan Zhang and Guoying Li, in Statistics & Probability Letters (2007)
Keywords: Asymptotic normality Different smoothing variables Functional-coefficient regression models Averaged estimate Local linear method

Varying coefficient functional autoregressive model with application to the U.S. treasuries,
Meng Xu, Jialiang Li and Ying Chen, in Journal of Multivariate Analysis (2017)
Keywords: Functional autoregressive model; Local linear regression; Sieve estimator; Varying coefficient model; Yield curves;

Covariance operator estimation of a functional autoregressive process with random coefficients,
Abdelaziz Allam and Tahar Mourid, in Statistics & Probability Letters (2014)
Keywords: Functional autoregressive process with random coefficients; Covariance operator; Eigenvalues and eigenvectors; Hilbert–Schmidt norm;

Sieve instrumental variable quantile regression estimation of functional coefficient models,
Liangjun Su and Tadao Hoshino, in Journal of Econometrics (2016)
Keywords: Endogeneity; Functional coefficient; Heterogeneity; Instrumental variable; Panel data; Sieve estimation; Specification test; Structural quantile function;

Sieve Instrumental Variable Quantile Regression Estimation of Functional Coefficient Models,
Liangjun Su and Tadao Hoshino, from Singapore Management University, School of Economics (2015)
Keywords: Endogeneity; Functional coefficient; Heterogeneity; Instrumental variable; Panel data; Sieve estimation; Specification test; Structural quantile function

A simultaneous confidence corridor for varying coefficient regression with sparse functional data,
Lijie Gu, Li Wang, Wolfgang Härdle and Lijian Yang, from Humboldt University Berlin, Collaborative Research Center 649: Economic Risk (2014)
Keywords: B spline, confidence corridor, Karhunen-Loève L2 representation, knots, functional data, varying coefficient

Fitting partially linear functional-coefficient panel-data models with Stata,
Kerui Du, Yonghui Zhang and Qiankun Zhou, in Stata Journal (2020)
Keywords: xtplfc, ivxtplfc, xtdplfc, functional coefficients, panel data, fixed effects, endogenous variables, sieve, spline

Functional coefficient seasonal time series models with an application of Hawaii tourism data,
Xialu Liu, Zongwu Cai and Rong Chen, in Computational Statistics (2015)
Keywords: Fixed effects, Functional-coefficient models, Local linear fitting, Nonparametric smoothing, Seasonal variation,

On the Identification of Noncausal Wiener Functionals from the Stochastic Fourier Coefficients,
Kiyoiki Hoshino and Tetsuya Kazumi, in Journal of Theoretical Probability (2019)
Keywords: Stochastic Fourier coefficient, Skorokhod integral, Ogawa integral, Multiple Wiener–Itô integral, Brownian motion, Noncausal Wiener functional

Optimal Local Model Averaging for Divergent-Dimensional Functional-Coefficient Regressions,
Yuying Sun, Shaoxin Hong and Zongwu Cai, from University of Kansas, Department of Economics (2023)
Keywords: Asymptotic optimality; Functional-coefficient models; Forward-validation; Model averaging; Varying-weights

Solving the Price Puzzle Via A Functional Coefficient Factor-Augmented VAR Model,
Zongwu Cai and Xiyuan Liu, from University of Kansas, Department of Economics (2021)
Keywords: Factor-augmented vector autoregressive; Functional coefficient models; Impulse response functions; Nonparametric estimation; Price puzzle

A Functional-Coefficient VAR Model for Dynamic Quantiles with Constructing Financial Network,
Zongwu Cai and Xiyuan Liu, from University of Kansas, Department of Economics (2020)
Keywords: Dynamic financial network; Functional coefficient models; Multivariate conditional quantile models; Nonparametric estimation; VAR modeling

Limit Theory and Inference in Non-cointegrated Functional Coefficient Regression,
Ying Wang, Peter Phillips and Yundong Tu, from Cowles Foundation for Research in Economics, Yale University (2024)
Keywords: Cointegration; Correlation measure; Functional coefficient regression; Marginal integration; Nonstationary time series.

Limit Theory of Local Polynomial Estimation in Functional Coefficient Regression,
Ying Wang and Peter Phillips, from Cowles Foundation for Research in Economics, Yale University (2024)
Keywords: bandwidth selection, functional-coefficient cointegration, local p-th order polyno-mial approximation, robust t-ratio

Convergency and Divergency of Functional Coefficient Weak Instrumental Variables Models,
Zongwu Cai and Henong Li, from Wang Yanan Institute for Studies in Economics (WISE), Xiamen University (2013)
Keywords: Discontinuity; Divergence; Endogenous variables; Functional coefficient model; Weak instrumental variables; Local linear fitting; Simultaneous equations.

New Semiparametric Estimation Procedure for Functional Coefficient Longitudinal Data Models,
Jia Chen, Degui Li and Yingcun Xia, from Department of Economics, University of York (2015)
Keywords: Cholesky decomposition, functional coefficients, local linear smoothing, principal component analysis, profile least squares, within-subject covariance

Disentangling temporal patterns in elasticities: A functional coefficient panel analysis of electricity demand,
Yoosoon Chang, Yongok Choi, Chang Sik Kim, J. Miller and Joon Y. Park, in Energy Economics (2016)
Keywords: Semiparametric panel regression; Partially linear functional coefficient model; Elasticity of electricity demand;

Disentangling Temporal Patterns in Elasticities: A Functional Coefficient Panel Analysis of Electricity Demand,
Yoosoon Chang, Yongok Choi, Chang Sik Kim, Joon Park and J. Miller, from Department of Economics, University of Missouri (2013)
Keywords: semiparametric panel regression, partially linear functional coefficient model, elasticity of electricity demand

Estimation of a rank-reduced functional-coefficient panel data model with serial correlation,
Jia Chen, Degui Li and Yingcun Xia, in Journal of Multivariate Analysis (2019)
Keywords: Cholesky decomposition; Functional coefficients; Local linear smoothing; Panel data; Principal component analysis; Profile least squares; Within-subject covariance;

A simultaneous confidence corridor for varying coefficient regression with sparse functional data,
Lijie Gu, Li Wang, Wolfgang Härdle and Lijian Yang, in TEST: An Official Journal of the Spanish Society of Statistics and Operations Research (2014)
Keywords: B spline, Confidence corridor, Karhunen–Loève $$L^{2}$$ L 2 representation, Knots, Functional data, Varying coefficient, 62G08, 62G15, 62G32,

Functional Coefficient Nonstationary Regression with Non- and Semi-Parametric Cointegration,
Jiti Gao and Peter Phillips, from Monash University, Department of Econometrics and Business Statistics (2013)
Keywords: fractional Aggregate consumption, Asymptotic theory, cointegration, density, local time, nonlinear functional, nonparametric estimation, semiparametric, time series, varying coefficient model.

Functional Coefficient Models for Economic and Financial Data,
Zongwu Cai, from Wang Yanan Institute for Studies in Economics (WISE), Xiamen University (2013)
Keywords: Bandwidth selection; Bootstrap; Capital asset pricing model; Dimensionality reduction; Endogeneity; Functional linear process; Functional varying coefficient model; Generalized likelihood ratio test; Instrumental variables model; Local linear estimation; Locally stationary model; Longitudinal data; Misspecification test; Piecewise stationary process; Structural change model; Threshold model; Time-varying model; Trending panel model.

On Coefficient Functionals for Functions with Coefficients Bounded by 1,
Paweł Zaprawa, Anna Futa and Magdalena Jastrzębska, in Mathematics (2020)
Keywords: coefficient problems; analytic functions; Schwarz functions; starlike functions; functions convex in one direction

On the estimation of the functional Weibull tail-coefficient,
Laurent Gardes and Stéphane Girard, in Journal of Multivariate Analysis (2016)
Keywords: Conditional Weibull tail-coefficient; Extreme quantiles; Nonparametric estimation;

Testing capital asset pricing models using functional-coefficient panel data models with cross-sectional dependence,
Zongwu Cai, Ying Fang and Qiuhua Xu, in Journal of Econometrics (2022)
Keywords: Cross-sectional dependence; Functional coefficients; Local linear estimation; Nonlinear panel data models; Nonparametric test;

Coefficients and Fekete–Szegö Functional Estimations of Bi-Univalent Subclasses Based on Gegenbauer Polynomials,
Abdulmtalb Hussen and Abdelbaset Zeyani, in Mathematics (2023)
Keywords: Gegenbauer polynomials; bi-univalent functions; analytic functions; Taylor–Maclaurin coefficients; Fekete–Szegö functional

Quantifying effects of surface morphology and functional groups of carbon fibers on mass transfer coefficient in vanadium redox flow batteries,
Menglian Zheng, Ke Liu, Jie Sun and Zitao Yu, in Energy (2024)
Keywords: Redox flow battery; Mass transfer coefficient; Surface morphology; Functional groups; Dimensionless correlations;

Functional sensitivity analysis approach to retrieve the potential energy function from the quantum second virial coefficient,
Costa, Éderson D’M., João P. Braga and Nelson H.T. Lemes, in Physica A: Statistical Mechanics and its Applications (2019)
Keywords: Second virial coefficient; Functional sensitivity analysis approach; Calogero’s equation; Helium;

Nonparametric estimation of functional-coefficient partially linear dynamic panel data model with fixed effects,
Kien Tran, in Economics Bulletin (2014)
Keywords: Dynamic panel, fixed effects, functional-coefficient partially linear, series estimation, convergence rate, asymptotic normality, bias correction.

Does environmental regulation promote technology transfer? Evidence from a partially linear functional-coefficient panel model,
Hechang Cai, Zilong Wang, Zhiwen Zhang and Liuyang Xu, in Economic Modelling (2023)
Keywords: Environmental regulation; Technology transfer; Economics development; Partially linear functional-coefficient model;

Testing Capital Asset Pricing Models using Functional-Coefficient Panel Data Models with Cross-Sectional Dependence,
Zongwu Cai, Ying Fang and Qiuhua Xu, from University of Kansas, Department of Economics (2020)
Keywords: Cross-sectional dependence; Functional coefficients; Local linear estimation; Nonlinear panel data models; Nonparametric test

Does manufacturing agglomeration promote green productivity growth in China? Fresh evidence from partially linear functional-coefficient models,
Congcong Du, Yunhui Cao, Yushan Ling, Zebin Jin, Shibo Wang and Daoping Wang, in Energy Economics (2024)
Keywords: Partially linear functional-coefficient model; Manufacturing agglomeration; Green total factor productivity; Nonlinear; Congestion effect;

When Bias Contributes to Variance: True Limit Theory in Functional Coefficient Cointegrating Regression,
Peter Phillips and Ying Wang, from Cowles Foundation for Research in Economics, Yale University (2020)
Keywords: Bandwidth selection, Bias variability, Functional coefficient cointegration, Kernel regression, Nonstationarity, Robust inference, Sandwich matrix

Functional-coefficient spatial autoregressive models with nonparametric spatial weights,
Yiguo Sun, in Journal of Econometrics (2016)
Keywords: Conditional Solow economic growth convergence equation; Endogenous spatial covariates; Functional coefficients; Local linear regression; Nonparametric GMM estimator; Sieve estimator; Spatial autoregressive models;

Evaluation of reproducibility for paired functional data,
Runze Li and Mosuk Chow, in Journal of Multivariate Analysis (2005)
Keywords: Concordance correlation coefficient Functional data Image data Kappa coefficient

A Kendall correlation coefficient between functional data,
Dalia Valencia, Rosa E. Lillo and Juan Romo, in Advances in Data Analysis and Classification (2019)
Keywords: Concordance, Dependence, Functional data, Kendall’s tau

Does international trade promote CO2 emission performance? An empirical analysis based on a partially linear functional-coefficient panel data model,
Kerui Du, Ying Yu and Jing Li, in Energy Economics (2020)
Keywords: International trade; CO2 emission performance; Malmquist index; Partially linear functional-coefficient panel data model;

Do renewable energy technology innovations promote China's green productivity growth? Fresh evidence from partially linear functional-coefficient models,
Zheming Yan, Baoling Zou, Kerui Du and Ke Li, in Energy Economics (2020)
Keywords: Renewable energy technology innovations; Green productivity; Income; Partially linear functional-coefficient model;

Green technology innovations, urban innovation environment and CO2 emission reduction in China: Fresh evidence from a partially linear functional-coefficient panel model,
Boqiang Lin and Ruiyang Ma, in Technological Forecasting and Social Change (2022)
Keywords: Green technology innovations; CO2 emissions; Urban innovation environment; Partially linear functional-coefficient models;

Coefficient Functionals of Sakaguchi-Type Starlike Functions Involving Caputo-Type Fractional Derivatives Subordinated to the Three-Leaf Function,
Kholood M. Alsager, Sheza M. El-Deeb, Gangadharan Murugusundaramoorthy and Daniel Breaz, in Mathematics (2024)
Keywords: analytic functions; subordination; three-leaf function; Caputo-type fractional derivatives; convolution; coefficient inequalities; Fekete–Szegő functional; Krushkal inequality

Functional-Coefficient Spatial Durbin Models with Nonparametric Spatial Weights: An Application to Economic Growth,
Mustafa Koroglu and Yiguo Sun, in Econometrics (2016)
Keywords: functional coefficients; local linear regression; nonparametric 2SLS estimator; series estimator; Solow economic growth convergence model; spatial Durbin model

A Functional-Coefficient VAR Model for Dynamic Quantiles and Its Application to Constructing Nonparametric Financial Network,
Zongwu Cai, Xiyuan Liu and Liangjun Su, from University of Kansas, Department of Economics (2024)
Keywords: Conditional quantile models; Dynamic financial network; Functional coefficient models; Nonparametric estimation; Tensor-product B-spline; VAR modeling.

An alternative single parameter functional form for Lorenz curve,
Satya Paul and Sriram Shankar, in Empirical Economics (2020)
Keywords: Gini coefficient, Lorenz curve, Parametric functional form

An alternative single parameter functional form for Lorenz curve,
Satya Paul and Sriram Shankar, from Crawford School of Public Policy, The Australian National University (2017)
Keywords: Gini coefficient; Lorenz curve; Parametric functional form

Functional coefficient regression models with time trend,
Zhongwen Liang and Qi Li, in Journal of Econometrics (2012)
Keywords: Varying coefficient model; Time trend; Partially linear model; Specification tests;

An Algorithm for Numerical Integration of ODE with Sampled Unknown Functional Factors,
Y. Villacampa and F. J. Navarro-González, in Mathematics (2022)
Keywords: ordinary differential equations; unknown functional coefficients; equation coefficient sampling

The maximal value for coefficients of ergodicity,
Adolf Rhodius, in Stochastic Processes and their Applications (1988)
Keywords: coefficients of ergodicity stochastic matrices extremal points convex functionals

Stochastic functional differential equations with infinite delay under non-Lipschitz coefficients: Existence and uniqueness, Markov property, ergodicity, and asymptotic log-Harnack inequality,
Ya Wang, Fuke Wu, George Yin and Chao Zhu, in Stochastic Processes and their Applications (2022)
Keywords: Stochastic functional differential equation; Infinite delay; Non-Lipschitz coefficient; Ergodicity; Asymptotic log-Harnack inequality; Asymptotic strong Feller property;

A Bayes analysis of autoregressive model having functional-coefficients and its application on exchange rate data,
Praveen Kumar Tripathi, Manika Agarwal and Satyanshu K. Upadhyay, in METRON (2024)
Keywords: Autoregressive model, Exchange rate, Functional-coefficients, Gibbs sampler, Markov chain Monte Carlo, Metropolis algorithm, Polynomial spline, Retrospective and prospective predictions, Reversible jump

Functional-coefficient regression models for nonlinear time series,
Zongwu Cai, Jianqing Fan and Qiwei Yao, from London School of Economics and Political Science, LSE Library (2000)
Keywords: α\-mixing; asymptotic normality; bootstrap; forecasting; goodness\-of\-fit test; local linear regression; Nonlinear time series; varying\-coefficient models.

AN EXTENSION OF THE CLASSICAL DISTANCE CORRELATION COEFFICIENT FOR MULTIVARIATE FUNCTIONAL DATA WITH APPLICATIONS,
Tomasz Górecki, Mirosław Krzy´sko, Waldemar Ratajczak and Waldemar Woły´nski, in Statistics in Transition New Series (2016)
Keywords: multivariate functional data, functional data analysis, correlation analysis

An Extension of the Classical Distance Correlation Coefficient for Multivariate Functional Data with Applications,
Górecki Tomasz, Krzyśko Mirosław, Ratajczak Waldemar and Wołyński Waldemar, in Statistics in Transition New Series (2016)
Keywords: multivariate functional data, functional data analysis, correlation analysis

An Extension of the Classical Distance Correlation Coefficient for Multivariate Functional Data with Applications,
Mirosław Krzyśko, Tomasz Górecki, Waldemar Wołyński and Waldemar Ratajczak, in Statistics in Transition new series (2016)
Keywords: multivariate functional data, functional data analysis, correlation analysis

Functional cointegration: definition and nonparametric estimation,
Jean-Yves Pitarakis, from University Library of Munich, Germany (2012)
Keywords: Functional Coefficients, Unit Roots, Cointegration, Piecewise Local Linear Estimation

Functional cointegration: definition and nonparametric estimation,
Anurag Banerjee and Jean-Yves Pitarakis, in Studies in Nonlinear Dynamics & Econometrics (2014)
Keywords: cointegration, functional coefficients, piecewise local linear estimation, unit roots

On the optimal choice of the number of empirical Fourier coefficients for comparison of regression curves,
Viatcheslav Melas, Andrey Pepelyshev, Petr Shpilev, Luigi Salmaso, Livio Corain and Rosa Arboretti, in Statistical Papers (2015)
Keywords: Adaptive tests, Empirical Fourier coefficients, Testing for functional data, 62G08, 62G10,

Analysis of Mechanical Properties of Functional Parts of Goat Hoofs under Multi-Slope,
Fu Zhang, Xinyue Wang, Xiahua Cui, Yubo Qiu, Shuai Teng, Shaukat Ali and Sanling Fu, in Agriculture (2024)
Keywords: goat hoof; functional parts; gait; adhesion coefficient; mechanical properties

Change-Points and Functional Features of Intraday Volatility in China Stock Market,
Sabri Boubaker, Z. Liu and L. Zhai, from HAL (2022)
Keywords: Functional data analysis,Realized volatility,Structural breaks,Time-varying coefficient

Coefficient Problems for a Class of Univalent Functions,
Dong Guo, Huo Tang, Zongtao Li, Qingbing Xu and En Ao, in Mathematics (2023)
Keywords: univalent functions; logarithmic coefficients; inverse logarithmic coefficients; Hankel determinant of inverse functions; Zalcman functionals J n,m of inverse functions

Optimal designs for estimating individual coefficients in polynomial regression: A functional approach,
Holger Dette, Viatcheslav B. Melas and Andrey Pepelyshev, from Technische Universität Dortmund, Sonderforschungsbereich 475: Komplexitätsreduktion in multivariaten Datenstrukturen (2001)
Keywords: polynomial regression, c-optimal design, implicit function theorem, extremal polynomial, estimation of individual coefficients

Lp-functionals for change point detection in random coefficient autoregressive models,
Lajos Horvath and Lorenzo Trapani, in Statistics & Probability Letters (2023)
Keywords: Changepoint problem; Weighted CUSUM process; Random Coefficient AutoRegression; Darling–Erdős theorem;

Coefficient Estimates and the Fekete–Szegö Problem for New Classes of m -Fold Symmetric Bi-Univalent Functions,
Georgia Irina Oros and Luminiţa-Ioana Cotîrlă, in Mathematics (2022)
Keywords: m -fold symmetric; bi-univalent functions; analytic functions; Fekete–Szegö functional; coefficient bounds; coefficient estimates

Cross-Validated Functional Generalized Partially Linear Single-Functional Index Model,
Mustapha Rachdi, Mohamed Alahiane, Idir Ouassou, Abdelaziz Alahiane and Lahoucine Hobbad, in Mathematics (2024)
Keywords: single-index coefficient; cross-validation; asymptotic normality; Fisher scoring algorithm; functional data analysis (FDA); functional index; quasi-likelihood

Growth and Debt: An Endogenous Smooth Coefficient Approach,
Mustafa Koroglu, in JRFM (2019)
Keywords: functional coefficients; local linear regression; nonparametric 2SLS estimator; series estimator; Solow economic growth convergence model

Inferences for a Partially Varying Coefficient Model With Endogenous Regressors,
Zongwu Cai, Ying Fang, Ming Lin and Jia Su, from Humboldt University of Berlin, International Research Training Group 1792 "High Dimensional Nonstationary Time Series" (2018)
Keywords: Endogeneity, Functional coefficients, Generalized F-test, Instrumental variables models, Nonparametric test, Profile least squares

Ten Ways to Specify a Gini Coefficient Using Entropy,
Hang Keun Ryu and Daniel Slottje, in Annals of Financial Economics (AFE) (2023)
Keywords: Logit functional form, projection of share function, extreme income shares, Gini coefficient, maximum entropy method