All Stories

  1. Power Fuzzy Clustering: Flexible Distance Metrics and Inclusion of Covariates

    Article • IEEE Transactions on Fuzzy Systems, July 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Ph.D. Antonio Punzo

  2. Model-based clustering via parsimonious mixtures of dimension-wise scaled normal mixtures

    Article • Journal of Computational and Graphical Statistics, June 2026, Taylor & Francis

    Ph.D. Antonio Punzo

  3. Clustering data with values missing at random using scale mixtures of multivariate skew-normal distributions

    Article • Computational Statistics, May 2026, Springer Science + Business Media

    Ph.D. Antonio Punzo

  4. Skew Dimension-Wise Scaled Mixtures of Normal Distributions and Their Applications in Model-Based Clustering

    Article • Journal of Classification, February 2026, Springer Science + Business Media

    Ph.D. Antonio Punzo

  5. Modeling Bounded Count Environmental Data Using a Contaminated Beta‐Binomial Regression Model

    Article • Environmetrics, January 2026, Wiley

    Ph.D. Antonio Punzo

  6. Designing unsupervised mixed‐type feature selection techniques using the heterogeneous correlation matrix

    Article • International Statistical Review, November 2025, Wiley

    Ph.D. Antonio Punzo

  7. Using Matrix-Variate Hidden Markov Regressions for Analyzing Crime Data

    Article • November 2025, Springer Science + Business Media

    Ph.D. Antonio Punzo

  8. Heckman selection-contaminated normal model

    Article • Journal of Computational and Graphical Statistics, October 2025, Taylor & Francis

    Ph.D. Antonio Punzo

  9. Handling skewness and directional tails in model-based clustering

    Article • Statistical Papers, July 2025, Springer Science + Business Media

    Ph.D. Antonio Punzo

  10. Discrete mode-mixtures of unimodal positive distributions with an application to solar energy in South Africa

    Article • Afrika Matematika, June 2025, Springer Science + Business Media

    Ph.D. Antonio Punzo

  11. LRDP: an R package implementing a new class of decompositions for orthogonal matrices

    Article • Afrika Matematika, April 2025, Springer Science + Business Media

    Ph.D. Antonio Punzo

  12. Finite mixtures of multivariate skew tail-inflated normal distributions

    Article • Journal of Statistical Computation and Simulation, March 2025, Taylor & Francis

    Ph.D. Antonio Punzo

  13. An EM algorithm for fitting matrix-variate normal distributions on interval-censored and missing data

    Article • Statistics and Computing, January 2025, Springer Science + Business Media

    Ph.D. Antonio Punzo

  14. On the Number of Components for Matrix‐Variate Mixtures: A Comparison Among Information Criteria

    Article • International Statistical Review, January 2025, Wiley

    Ph.D. Antonio Punzo

  15. Hidden semi-Markov models for rainfall-related insurance claims

    Article • Insurance Mathematics and Economics, January 2025, Elsevier

    Ph.D. Antonio Punzo

  16. A refreshing take on the inverted Dirichlet via a mode parameterization with some statistical illustrations

    Article • Journal of the Korean Statistical Society, November 2024, Springer Science + Business Media

    Ph.D. Antonio Punzo

  17. Asymmetric Laplace scale mixtures for the distribution of cryptocurrency returns

    Article • Advances in Data Analysis and Classification, October 2024, Springer Science + Business Media

    Ph.D. Antonio Punzo

  18. A New Look at the Dirichlet Distribution: Robustness, Clustering, and Both Together

    Article • Journal of Classification, July 2024, Springer Science + Business Media

    Ph.D. Antonio Punzo

  19. Mode mixture of unimodal distributions for insurance loss data

    Article • Annals of Operations Research, May 2024, Springer Science + Business Media

    Ph.D. Antonio Punzo

  20. Women and insurance pricing policies: a gender-based analysis with GAMLSS on two actuarial datasets

    Article • Scientific Reports, February 2024, Springer Science + Business Media

    Ph.D. Antonio Punzo

  21. The generalized hyperbolic family and automatic model selection through the multiple‐choiceLASSO

    Article • Statistical Analysis and Data Mining The ASA Data Science Journal, December 2023, Wiley

    Ph.D. Antonio Punzo

  22. Parsimony and parameter estimation for mixtures of multivariate leptokurtic-normal distributions

    Article • Advances in Data Analysis and Classification, September 2023, Springer Science + Business Media

    Ph.D. Antonio Punzo

  23. Parsimonious mixtures for the analysis of tensor-variate data

    Article • Statistics and Computing, September 2023, Springer Science + Business Media

    Ph.D. Antonio Punzo

  24. Model-based clustering using a new multivariate skew distribution

    Article • Advances in Data Analysis and Classification, July 2023, Springer Science + Business Media

    Ph.D. Antonio Punzo

  25. Matrix-Variate Hidden Markov Regression Models: Fixed and Random Covariates

    Article • Journal of Classification, June 2023, Springer Science + Business Media

    Ph.D. Antonio Punzo

  26. On stylized facts of cryptocurrencies returns and their relationship with other assets, with a focus on the impact of COVID-19

    Article • Applied Economics, September 2022, Taylor & Francis

    Ph.D. Antonio Punzo

  27. Model-based clustering via skewed matrix-variate cluster-weighted models

    Article • Journal of Statistical Computation and Simulation, June 2022, Taylor & Francis

    Ph.D. Antonio Punzo

  28. Parsimonious hidden Markov models for matrix-variate longitudinal data

    Article • Statistics and Computing, June 2022, Springer Science + Business Media

    Ph.D. Antonio Punzo

  29. Dimension-wise scaled normal mixtures with application to finance and biometry

    Article • Journal of Multivariate Analysis, May 2022, Elsevier

    Ph.D. Antonio Punzo

  30. Assessing Measurement Invariance for Longitudinal Data through Latent Markov Models

    Article • Structural Equation Modeling A Multidisciplinary Journal, December 2021, Taylor & Francis

    Ph.D. Antonio Punzo

  31. Mixtures of Matrix-Variate Contaminated Normal Distributions

    Article • Journal of Computational and Graphical Statistics, November 2021, Taylor & Francis

    Ph.D. Antonio Punzo

  32. Multiple scaled symmetric distributions in allometric studies

    Article • The International Journal of Biostatistics, January 2021, De Gruyter

    Ph.D. Antonio Punzo

  33. Initialization of Hidden Markov and Semi‐Markov Models: A Critical Evaluation of Several Strategies

    Article • International Statistical Review, January 2021, Wiley

    Ph.D. Antonio Punzo

  34. Two new matrix-variate distributions with application in model-based clustering

    Article • Computational Statistics & Data Analysis, December 2020, Elsevier

    Ph.D. Antonio Punzo

  35. Unconstrained representation of orthogonal matrices with application to common principal components

    Article • Computational Statistics, October 2020, Springer Science + Business Media

    Ph.D. Antonio Punzo

  36. The multivariate tail-inflated normal distribution and its application in finance

    Article • Journal of Statistical Computation and Simulation, August 2020, Taylor & Francis

    Ph.D. Antonio Punzo

  37. Dichotomous unimodal compound models: application to the distribution of insurance losses

    Article • Journal of Applied Statistics, July 2020, Taylor & Francis

    Ph.D. Antonio Punzo

  38. Leptokurtic moment-parameterized elliptically contoured distributions with application to financial stock returns

    Article • Communication in Statistics- Theory and Methods, April 2020, Taylor & Francis

    Ph.D. Antonio Punzo

  39. Robust model-based clustering with mild and gross outliers

    Article • Test, November 2019, Springer Science + Business Media

    Ph.D. Antonio Punzo

  40. Multivariate hidden Markov regression models: random covariates and heavy-tailed distributions

    Article • Statistical Papers, November 2019, Springer Science + Business Media

    Ph.D. Antonio Punzo

  41. High-dimensional unsupervised classification via parsimonious contaminated mixtures

    Article • Pattern Recognition, September 2019, Elsevier

    Ph.D. Antonio Punzo

  42. A Random-covariate Approach for Distal Outcome Prediction with Latent Class Analysis

    Article • Structural Equation Modeling A Multidisciplinary Journal, August 2019, Taylor & Francis

    Ph.D. Antonio Punzo

  43. Cluster Validation for Mixtures of Regressions via the Total Sum of Squares Decomposition

    Article • Journal of Classification, July 2019, Springer Science + Business Media

    Ph.D. Antonio Punzo

  44. A new look at the inverse Gaussian distribution with applications to insurance and economic data

    Article • Journal of Applied Statistics, November 2018, Taylor & Francis

    Ph.D. Antonio Punzo

  45. Multivariate generalized hidden Markov regression models with random covariates: Physical exercise in an elderly population

    Article • Statistics in Medicine, April 2018, Wiley

    Ph.D. Antonio Punzo

  46. On the Use of the Sub-Gaussian $$\alpha $$α-Stable Distribution in the Cluster-Weighted Model

    Article • Iranian Journal of Science and Technology Transactions A Science, February 2018, Springer Science + Business Media

    Ph.D. Antonio Punzo

  47. Fitting insurance and economic data with outliers: a flexible approach based on finite mixtures of contaminated gamma distributions

    Article • Journal of Applied Statistics, January 2018, Taylor & Francis

    Ph.D. Antonio Punzo

  48. Mixtures of multivariate contaminated normal regression models

    Article • Statistical Papers, November 2017, Springer Science + Business Media

    Ph.D. Antonio Punzo

  49. Compound unimodal distributions for insurance losses

    Article • Insurance Mathematics and Economics, October 2017, Elsevier

    Ph.D. Antonio Punzo

  50. Dealing with omitted answers in a survey on social integration of immigrants in Italy

    Article • Mathematical Population Studies, April 2017, Taylor & Francis

    Ph.D. Antonio Punzo

  51. Testing for serial independence

    Article • The American Statistician, November 2016, Taylor & Francis

    Ph.D. Antonio Punzo

  52. The multivariate leptokurtic-normal distribution and its application in model-based clustering

    Article • Canadian Journal of Statistics, November 2016, Wiley

    Ph.D. Antonio Punzo

  53. A diagram to detect serial dependencies: an application to transport time series

    Article • Quality & Quantity, October 2016, Springer Science + Business Media

    Ph.D. Antonio Punzo

  54. Clustering Multivariate Longitudinal Observations: The Contaminated Gaussian Hidden Markov Model

    Article • Journal of Computational and Graphical Statistics, October 2016, Taylor & Francis

    Ph.D. Antonio Punzo

  55. Multilevel cluster-weighted models for the evaluation of hospitals

    Article • METRON, September 2016, Springer Science + Business Media

    Ph.D. Antonio Punzo, Paolo Berta

  56. Parsimonious mixtures of multivariate contaminated normal distributions

    Article • Biometrical Journal, August 2016, Wiley

    Ph.D. Antonio Punzo

  57. Spatial attraction in migrants' settlement patterns in the city of Catania

    Article • Demographic Research, July 2016, Max Planck Institute for Demographic Research

    Ph.D. Antonio Punzo

  58. Model-based time-varying clustering of multivariate longitudinal data with covariates and outliers

    Article • Computational Statistics & Data Analysis, June 2016, Elsevier

    Ph.D. Antonio Punzo

  59. Decision boundaries for mixtures of regressions

    Article • Journal of the Korean Statistical Society, June 2016, Elsevier

    Ph.D. Antonio Punzo

  60. The Kullback–Leibler autodependogram

    Article • Journal of Applied Statistics, February 2016, Taylor & Francis

    Ph.D. Antonio Punzo

  61. Hypothesis Testing for Mixture Model Selection

    Article • Journal of Statistical Computation and Simulation, January 2016, Taylor & Francis

    Ph.D. Antonio Punzo

  62. A time-dependent extension of the projected normal regression model for longitudinal circular data based on a hidden Markov heterogeneity structure

    Article • Stochastic Hydrology and Hydraulics, December 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  63. Clustering bivariate mixed-type data via the cluster-weighted model

    Article • Computational Statistics, July 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  64. Erratum to: The Generalized Linear Mixed Cluster-Weighted Model

    Article • Journal of Classification, June 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  65. The Generalized Linear Mixed Cluster-Weighted Model

    Article • Journal of Classification, April 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  66. Cluster-weighted $$t$$ t -factor analyzers for robust model-based clustering and dimension reduction

    Article • Statistical Methods & Applications, March 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  67. SDD : An R Package for Serial Dependence Diagrams

    Article • Journal of Statistical Software, January 2015, Foundation for Open Access Statistic

    Ph.D. Antonio Punzo

  68. Parsimonious Generalized Linear Gaussian Cluster-Weighted Models

    Article • January 2015, Springer Science + Business Media

    Ph.D. Antonio Punzo

  69. Bivariate discrete beta Kernel graduation of mortality data

    Article • Lifetime Data Analysis, August 2014, Springer Science + Business Media

    Ph.D. Antonio Punzo

  70. On the Upward Bias of the Dissimilarity Index and Its Corrections

    Article • Sociological Methods & Research, July 2014, SAGE Publications

    Ph.D. Antonio Punzo

  71. Flexible mixture modelling with the polynomial Gaussian cluster-weighted model

    Article • Statistical Modelling, May 2014, SAGE Publications

    Ph.D. Antonio Punzo

  72. Model-based clustering via linear cluster-weighted models

    Article • Computational Statistics & Data Analysis, March 2014, Elsevier

    Ph.D. Antonio Punzo

  73. Refusal to Answer Specific Questions in a Survey: A Case Study

    Article • Communication in Statistics- Theory and Methods, January 2014, Taylor & Francis

    Ph.D. Antonio Punzo

  74. KernSmoothIRT : An R Package for Kernel Smoothing in Item Response Theory

    Article • Journal of Statistical Software, January 2014, Foundation for Open Access Statistic

    Ph.D. Antonio Punzo

  75. DBKGrad : An R Package for Mortality Rates Graduation by Discrete Beta Kernel Techniques

    Article • Journal of Statistical Software, January 2014, Foundation for Open Access Statistic

    Ph.D. Antonio Punzo

  76. Estimating a Rasch Model via Fuzzy Empirical Probability Functions

    Article • January 2014, Springer Science + Business Media

    Ph.D. Antonio Punzo

  77. On the Spectral Decomposition in Normal Discriminant Analysis

    Article • Communications in Statistics - Simulation and Computation, December 2013, Taylor & Francis

    Ph.D. Antonio Punzo

  78. Closed Likelihood Ratio Testing Procedures to Assess Similarity of Covariance Matrices

    Article • The American Statistician, August 2013, Taylor & Francis

    Ph.D. Antonio Punzo

  79. Clustering and classification via cluster-weighted factor analyzers

    Article • Advances in Data Analysis and Classification, March 2013, Springer Science + Business Media

    Ph.D. Antonio Punzo

  80. Testing Serial Independence via Density-Based Measures of Divergence

    Article • Methodology And Computing In Applied Probability, February 2013, Springer Science + Business Media

    Ph.D. Antonio Punzo

  81. Detecting serial dependencies with the reproducibility probability autodependogram

    Article • AStA Advances in Statistical Analysis, February 2013, Springer Science + Business Media

    Ph.D. Antonio Punzo

  82. Using the Autodependogram in Model Diagnostic Checking

    Article • January 2013, Springer Science + Business Media

    Ph.D. Antonio Punzo

  83. Using the Variation Coefficient for Adaptive Discrete Beta Kernel Graduation

    Article • January 2013, Springer Science + Business Media

    Ph.D. Antonio Punzo

  84. Finite mixtures of unimodal beta and gamma densities and the $$k$$ -bumps algorithm

    Article • Computational Statistics, October 2012, Springer Science + Business Media

    Ph.D. Antonio Punzo

  85. Graduation by Adaptive Discrete Beta Kernels

    Article • September 2012, Springer Science + Business Media

    Ph.D. Antonio Punzo

  86. Checking Serial Independence of Residuals from a Nonlinear Model

    Article • January 2012, Springer Science + Business Media

    Ph.D. Antonio Punzo

  87. The autodependogram: a graphical device to investigate serial dependences

    Article • Journal of Time Series Analysis, August 2011, Wiley

    Ph.D. Antonio Punzo

  88. Discrete approximations of continuous and mixed measures on a compact interval

    Article • Statistical Papers, February 2011, Springer Science + Business Media

    Ph.D. Antonio Punzo

  89. Assessing the pattern of covariance matrices via an augmentation multiple testing procedure

    Article • Statistical Methods & Applications, January 2011, Springer Science + Business Media

    Ph.D. Antonio Punzo

  90. Discrete Beta Kernel Graduation of Age-Specific Demographic Indicators

    Article • January 2011, Springer Science + Business Media

    Ph.D. Antonio Punzo

  91. Discrete Beta-Type Models

    Article • January 2010, Springer Science + Business Media

    Ph.D. Antonio Punzo

  92. Considerations on the Impact of Ill-Conditioned Configurations in the CML Approach

    Article • January 2009, Springer Science + Business Media

    Ph.D. Antonio Punzo