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stat.ME2026
Model-based estimation and imputation with torus missing values
Luca Greco, Lucia Filippozzi, Claudio Agostinelli
This paper addresses the problem of parameter estimation and model-based imputation for multivariate circular data lying on a p-dimensional torus in the presence of missing values.…
stat.ME2024
Estimation of a multivariate von Mises distribution for contaminated torus data
Giulia Bertagnolli, Luca Greco, Claudio Agostinelli
The occurrence of atypical circular observations on the torus can badly affect parameter estimation of the multivariate von Mises distribution. This paper addresses the problem of…
stat.ME2024
Weighted likelihood methods for robust fitting of wrapped models for -torus data
Claudio Agostinelli, Luca Greco, Giovanni Saraceno
We consider robust estimation of wrapped models to multivariate circular data that are points on the surface of a -torus based on the weighted likelihood methodology.Robust mode…