Publications

For a complete and up-to-date list, see my Google Scholar profile.

Journal Articles

1. Nonparametric estimation of the patient weighted while-alive estimand
   Ragni, A., Martinussen, T., & Scheike, T.
   Accepted (conditionally) for publication in Biometrical Journal, 2026+.
   Code Preprint
2. Analysis of higher education dropouts dynamics through multilevel functional decomposition of recurrent events in counting processes
   Ragni, A., Masci, C., & Paganoni, A. M.
   Journal of the Royal Statistical Society Series C: Applied Statistics, 2026.
   Article Code Preprint
3. A statistical significance-based approach for clustering grouped data via generalized linear model with discrete random effects
   Ragni, A., Masci, C., Ieva, F., & Paganoni, A. M.
   Journal of the Royal Statistical Society Series A: Applied Statistics, 2026.
   Article Code Preprint
4. Assessing the impact of hybrid teaching on students’ academic performance via multilevel propensity score-based techniques
   Ragni, A., Ippolito, D., & Masci, C.
   Socio-Economic Planning Sciences, 2024.
   Article Code
5. Imaging-based representation and stratification of intra-tumor heterogeneity via tree-edit distance
   Cavinato, L., Pegoraro, M., Ragni, A., Sollini, M., Erba, P. A., & Ieva, F.
   Scientific Reports, 2022.
   Article Code Preprint

Journal Articles (cross-disciplinary)

1. Diagnostic value and interpretability of [18F] FDG-PET/CT radiomics in infective endocarditis
   Erba, P. A., Zanca, R., Sollini, M., Cavinato, L., Ragni, A., Hove, D. T., Glaudemans, A. W., Aguadè-Bruix, S., Pizzi, M. N., Roque, A., Ieva, F., & Slart, R. H
   EJNMMI research, 2026.
   Article
2. Radiomics-based inter-lesion relation network to describe [18F] FMCH PET/CT imaging phenotypes in prostate cancer
   Cavinato, L., Sollini, M., Ragni, A., Bartoli, F., Zanca, R., Pasqualetti, F., Marciano, A., Ieva, F., & Erba, P. A
   Cancers, 2023.
   Article
3. [18F]FMCH PET/CT biomarkers and similarity analysis to refine the definition of oligometastatic prostate cancer
   Sollini, M., Bartoli, F., Cavinato, L., Ieva, F., Ragni, A., Marciano, A., Zanca, R., Galli, L., Paiar, F., Pasqualetti, F., & Erba, P. A.
   EJNMMI research, 2021.
   Article

Preprints & Working Papers

1. Penalized Likelihood Optimization for Adaptive Neighborhood Clustering in Time-to-Event Data with Group-Level Heterogeneity
   Ragni, A., Romani, G., & Masci, C.
   arXiv preprint, arXiv:2601.07446, 2026.
   Preprint Code
2. TimeDepFrail: Time-Dependent Shared Frailty Cox Models in R
   Ragni, A., Romani, G., & Masci, C.
   arXiv preprint, arXiv:2501.12718, 2025.
   Preprint Code CRAN package