Search Results - "Vonta, F."

Estimation and variable selection via frailty models with penalized likelihood by Androulakis, E., Koukouvinos, C., Vonta, F.

“…The penalized likelihood methodology has been consistently demonstrated to be an attractive shrinkage and selection method. It does not only automatically and…”
Get full text

A New Method for the Analysis of Supersaturated Designs with Discrete Data by Androulakis, E., Koukouvinos, C., Vonta, F.

“…Supersaturated designs are factorial designs in which the number of potential effects is greater than the run size. They are commonly used in screening…”
Get full text

Tuning Parameter Selection in Penalized Frailty Models by Androulakis, E., Koukouvinos, C., Vonta, F.

“…The penalized likelihood approach of Fan and Li ( 2001 , 2002 ) differs from the traditional variable selection procedures in that it deletes the…”
Get full text

Tuning parameter selection in penalized generalized linear models for discrete data by Androulakis, E., Koukouvinos, C., Vonta, F.

“…In recent years, we have seen an increased interest in the penalized likelihood methodology, which can be efficiently used for shrinkage and selection…”
Get full text

Consistency of the NPML Estimator in the Right-Censored Transformation Model by Slud, E. V., Vonta, F.

“…This paper studies the representation and large-sample consistency for non-parametric maximum likelihood estimators (NPMLEs) of an unknown baseline continuous…”
Get full text

On Efficient AR Spectral Estimation for Long-Range Predictions by Karagrigoriou, A., Vonta, F.

“…This article discusses the concept of asymptotic efficiency from the frequency domain point of view making use of the direct method for multiple prediction. In…”
Get full text

A semiparametric model for interval censored and truncated data by Huber, C., Vonta, F.

“…In this paper, we consider a complex observational scheme in which survival data are both interval censored and truncated. We assume a semiparametric Cox model…”
Get full text

EFFICIENT ESTIMATION IN REGRESSION FRAILTY OR TRANSFORMATION MODELS BASED ON AN ALGORITHM by Vonta, Filia

“…Summary This paper considers a regression frailty or transformation model in which the structural parameter is the vector of regression coefficients and the…”
Get full text

Frailty models for arbitrarily censored and truncated data by Huber-Carol, Catherine, Vonta, Ilia

“…In this paper, we propose a frailty model for statistical inference in the case where we are faced with arbitrarily censored and truncated data. Our results…”
Get full text

Efficient semiparametric estimators via modified profile likelihood by Slud, Eric V., Vonta, Filia

“…A new strategy is developed for obtaining large-sample efficient estimators of finite-dimensional parameters β within semiparametric statistical models. The…”
Get full text

Efficient Estimation in a Non-Proportional Hazards Model in Survival Analysis by VONTA, F

“…A non-proportional hazards regression model is considered in which the structural parameter is the vector of regression coefficients and the nuisance parameter…”
Get full text