Compositional data analysis (CoDa) is the standard statistical methodology when data
contain information about the relative importance of parts of a whole. Many research …

The log-ratio approach to compositional data (CoDa) analysis has now entered a mature
phase. The principles and statistical tools introduced by J. Aitchison in the eighties have …

Financial ratios are often used in cluster analysis to classify firms according to the similarity
of their financial structures. Besides the dependence of distances on ratio choice, ratios …

We propose and study a class of simple, nonparametric, yet interpretable measures of
conditional dependence, which we call kernel partial correlation (KPC) coefficient, between …

Environmental concerns have got supreme interest from the researchers and policy makers
for which experts have revealed their organizational impacts too. At the same time, corporate …

Product innovation performance is often measured by means of the percentages in the
product portfolio from:(a) innovative products launched for the first time in the market;(b) new …

Social media communication has become a fundamental tool for hospitality companies,
especially for marketing and customer engagement purposes. Facebook is the social …

Financial ratios are often used in principal component analysis and related techniques for
the purposes of data reduction and visualization. Besides the dependence of results on ratio …

This paper contributes to the analysis of the impact of socioeconomic factors, like food
expenditure level and urbanization, on diet patterns in Vietnam, from 2004 to 2014. Contrary …

Mediation analysis has been commonly used to study the effect of an exposure on an
outcome through a mediator. In this paper, we are interested in exploring the mediation …