3 papers
stat.ME2026
A Jensen-Shannon divergence based -- algorithm for missing value imputation in compositional data
Michail Tsagris, Connie Stewart, Abdulaziz Alenazi
A novel nonparametric method to impute missing values in compositional data is developed. The method is based on the -- algorithm, utilizes the Jensen-Shannon divergence and…
stat.ML2018
A folded model for compositional data analysis
Michail Tsagris, Connie Stewart
A folded type model is developed for analyzing compositional data. The proposed model involves an extension of the -transformation for compositional data and provides a new and…
stat.ME2014
A Dirichlet Regression Model for Compositional Data with Zeros
Michail Tsagris, Connie Stewart
Compositional data are met in many different fields, such as economics, archaeometry, ecology, geology and political sciences. Regression where the dependent variable is a composit…