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Compositional data

In statistics, compositional data are quantitative descriptions of the parts of some whole, conveying exclusively relative information. This… 
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Data pointMixture model

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2019
Highly Cited
2019
Good-Enough Compositional Data Augmentation
We propose a simple data augmentation protocol aimed at providing a compositional inductive bias in conditional and unconditional… 
Highly Cited
2014
Highly Cited
2014
An Excel spreadsheet to classify chemical analyses of amphiboles following the IMA 2012 recommendations
Highly Cited
2013
Highly Cited
2013
Analyzing Compositional Data with R
This book presents the statistical analysis of compositional data sets, i.e., data in percentages, proportions, concentrations… 
Highly Cited
2011
Highly Cited
2011
robCompositions: An R‐package for Robust Statistical Analysis of Compositional Data
Compositional data are data that contain only relative information (see, e.g. Aitchison 1986)). Typical examples are data… 
Highly Cited
2009
Highly Cited
2009
Principal component analysis for compositional data with outliers
Compositional data (almost all data in geochemistry) are closed data, that is they usually sum up to a constant (e.g. weight… 
Highly Cited
2007
Highly Cited
2007
Modelling Compositional Data Using Dirichlet Regression Models
Compositional data are non-negative proportions with unit-sum. These types of data arise whenever we classify objects into… 
Highly Cited
2007
Highly Cited
2007
Lecture Notes on Compositional Data Analysis
These notes have been prepared as support to a short course on compositional data analysis. Their aim is to transmit the basic… 
Highly Cited
2005
Highly Cited
2005
Groups of Parts and Their Balances in Compositional Data Analysis
Amalgamation of parts of a composition has been extensively used as a technique of analysis to achieve reduced dimension, as was… 
Highly Cited
2003
Highly Cited
2003
Dealing with Zeros and Missing Values in Compositional Data Sets Using Nonparametric Imputation
The statistical analysis of compositional data based on logratios of parts is not suitable when zeros are present in a data set… 
Highly Cited
1994
Highly Cited
1994
Principles of compositional data analysis
Compositional data consisting of vectors of positive components subject to a unit-sum constraint arise in many disciplines, for… 
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