Asymptotic properties 28 Robust estimation 18 Smoothing techniques 10 Density estimation 6 Rate of convergence 6 Asymptotic analysis 4 Asymptotic distributions 4 Bootstrap tests 4 Data handling 4 Heteroscedasticity 4 Hypothesis testing 4 Kernel weights 4 Maximum likelihood estimators 4 Monte Carlo methods 4 Normal distribution 4 Parameter estimation 4 Spherical data 4 Statistics 4 Von Mises distribution 4 Asymptotic results 2 Bandwidth 2 Bandwidth selectors 2 Computational methods 2 Computer Simulation 2 Cross-validation 2 Directional data 2 Eigenvalue distributions 2 Eigenvalues and eigenfunctions 2 Evolution operator 2 Filtering 2