Big data analytics, firm size, and performance

R Conti, MG de Matos, G Valentini - Strategy Science, 2024 - pubsonline.informs.org
Big data analytics (BDA) is one of the most important general-purpose technologies. Despite
the increasing pervasiveness of BDA across industries and some preliminary evidence …

Single-and multiple-group penalized factor analysis: A trust-region algorithm approach with integrated automatic multiple tuning parameter selection

E Geminiani, G Marra, I Moustaki - Psychometrika, 2021 - Springer
Penalized factor analysis is an efficient technique that produces a factor loading matrix with
many zero elements thanks to the introduction of sparsity-inducing penalties within the …

A unifying framework for flexible excess hazard modelling with applications in cancer epidemiology

A Eletti, G Marra, M Quaresma… - Journal of the Royal …, 2022 - academic.oup.com
Excess hazard modelling is one of the main tools in population-based cancer survival
research. Indeed, this setting allows for direct modelling of the survival due to cancer even in …

Multivariate conditional transformation models

N Klein, T Hothorn, L Barbanti… - Scandinavian Journal of …, 2022 - Wiley Online Library
Regression models describing the joint distribution of multivariate responses conditional on
covariate information have become an important aspect of contemporary regression …

Copula link-based additive models for bivariate time-to-event outcomes with general censoring scheme

D Petti, A Eletti, G Marra, R Radice - Computational Statistics & Data …, 2022 - Elsevier
Bivariate survival outcomes arise frequently in applied studies where the occurrence of two
events of interest are associated. Often the exact event times are unknown due to censoring …

Flexible parametric copula modeling approaches for clustered survival data

S Kwon, ID Ha, JH Shih, T Emura - Pharmaceutical Statistics, 2022 - Wiley Online Library
Copula‐based survival regression models, which consist of a copula function and marginal
distribution (ie, marginal survival function), have been widely used for analyzing clustered …

[PDF][PDF] CopulaCenR: Copula based Regression Models for Bivariate Censored Data in R.

T Sun, Y Ding - R J., 2020 - journal.r-project.org
Bivariate time-to-event data frequently arise in research areas such as clinical trials and
epidemiological studies, where the occurrence of two events are correlated. In many cases …

Stock market prices and Dividends in the US: Bubbles or Long-run equilibria relationships?

R Dettoni, LA Gil-Alana, OOS Yaya - International Review of Financial …, 2024 - Elsevier
This paper presents a novel approach to identifying potential bubbles in the US stock market
by employing alternative time series methods based on long memory, including fractional …

Reliability analysis of artificial intelligence systems using recurrent events data from autonomous vehicles

J Min, Y Hong, CB King… - Journal of the Royal …, 2022 - academic.oup.com
Artificial intelligence (AI) systems have become increasingly common and the trend will
continue. Examples of AI systems include autonomous vehicles (AV), computer vision …

Generalised joint regression for count data: a penalty extension for competitive settings

H van Der Wurp, A Groll, T Kneib, G Marra… - Statistics and …, 2020 - Springer
We propose a versatile joint regression framework for count responses. The method is
implemented in the R add-on package GJRM and allows for modelling linear and non-linear …