# Robust Estimation for Compositional Data

## Documentation for package ‘robCompositions’ version 2.0.3

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A B C D E G H I L M N O P R S T V Z

robCompositions-package | Robust Estimation for Compositional Data.

## -- A --

addLR | Additive log-ratio transformation
addLRinv | Additive logistic transformaton
aDist | Aitchison distance
adjust | Adjusting for original scale
adjustImputed | EM-based replacement of rounded zeros in compositional data
adtest | Anderson-Darling Normality Tests
adtestWrapper | Wrapper for Anderson-Darling tests
ageCatWorld | Child, middle and eldery population
alcohol | alcohol
alcoholreg | alcoholreg
arcticLake | Arctic lake sediment data

## -- B --

balances | Balance calculation
balZav | New average symmetric coordinates
biomarker | biomarker
biplot.factanal | Biplot method
biplot.pcaCoDa | Biplot method
bootnComp | Bootstrap to find optimal number of components

## -- C --

cancer | Hospital discharges on cancer and distribution of age
cenLR | Centred log-ratio transformation
cenLRinv | Inverse centred log-ratio transformation
checkData | EM-based replacement of rounded zeros in compositional data
clustCoDa | Cluster analysis for compositional data
clustCoDa_qmode | Q-mode cluster analysis for compositional parts
coffee | coffee data set
compareMahal | Compares Mahalanobis distances from two approaches
constSum | Constant sum
corCoDa | Correlations for compositional data

## -- D --

daCoDa | Linear and quadratic discriminant analysis for compositional data.
daFisher | Discriminant analysis by Fisher Rule.

## -- E --

economy | Economic indicators
election | Election data
electionATbp | Votes at presidental elections
expenditures | Synthetic household expenditures toy data set
expendituresEU | Mean consumption expenditures data.

## -- G --

gemas | Gemas geochemical data set
getEstimates | Compares Mahalanobis distances from two approaches
gm | gmean

## -- H --

haplogroups | Haplogroups data.

## -- I --

ilrregression | Classical and robust regression of non-compositional response on compositional predictors
impAll | Replacement of rounded zeros and missing values.
impCoda | Imputation of missing values in compositional data
impKNNa | Imputation of missing values in compositional data using knn methods
impRZalr | alr EM-based Imputation for Rounded Zeros
impRZilr | EM-based replacement of rounded zeros in compositional data
imputeBDLs | EM-based replacement of rounded zeros in compositional data
iprod | Aitchison distance
isomLR | Pivot coordinates and their inverse
isomLRinv | Pivot coordinates and their inverse
isomLRinvp | Pivot coordinates and their inverse
isomLRp | Pivot coordinates and their inverse

## -- L --

laborForce | Labour force by status in employment
lifeExpGdp | Life expectancy and GDP (2008) for EU-countries
lmCoDaX | Classical and robust regression of non-compositional response on compositional predictors

## -- M --

machineOperators | machine operators
mcad | Metabolomics mcad data set
missPatterns | missing or zero pattern structure.
mortality | Mortality and life expectancy in the EU

## -- N --

nutrients | nutrient contents
nutrients_branded | nutrient contents (branded)

## -- O --

orthbasis | Orthonormal basis
outCoDa | Outlier detection for compositional data

## -- P --

payments | Special payments
pcaCoDa | Robust principal component analysis for compositional data
perturbation | Perturbation and powering
pfa | Factor analysis for compositional data
phd | PhD Students in the EU
pivotCoord | Pivot coordinates and their inverse
pivotCoordInv | Pivot coordinates and their inverse
plot.biomarker | biomarker
plot.clustCoDa | Cluster analysis for compositional data
plot.clustCoDa_qmode | Q-mode cluster analysis for compositional parts
plot.estimates | Compares Mahalanobis distances from two approaches
plot.imp | Plot method for objects of class imp
plot.mahal | Compares Mahalanobis distances from two approaches
plot.outCoDa | Outlier detection for compositional data
plot.pcaCoDa | Plot method
powering | Perturbation and powering
predict.daFisher | Discriminant analysis by Fisher Rule.
print.adtestWrapper | Wrapper for Anderson-Darling tests
print.biomarker | biomarker
print.daFisher | Discriminant analysis by Fisher Rule.
print.estimates | Compares Mahalanobis distances from two approaches
print.imp | Print method for objects of class imp
print.outCoDa | Outlier detection for compositional data
print.pcaCoDa | Robust principal component analysis for compositional data
print.replaced | EM-based replacement of rounded zeros in compositional data
production | Production

## -- R --

robCompositions | Robust Estimation for Compositional Data.
robilrregression | Classical and robust regression of non-compositional response on compositional predictors

## -- S --

skyeLavas | Aphyric skye lavas data
summary.adtestWrapper | Wrapper for Anderson-Darling tests
summary.biomarker | biomarker
summary.daFisher | Discriminant analysis by Fisher Rule.
summary.imp | Summary method for objects of class imp
summary.pcaCoDa | Robust principal component analysis for compositional data

## -- T --

ternaryDiag | Ternary diagram
ternaryDiagAbline | Adds a line to a ternary diagram.
ternaryDiagEllipse | Adds tolerance ellipses to a ternary diagram.
ternaryDiagLines | Add points or lines to a given ternary diagram.
ternaryDiagPoints | Add points or lines to a given ternary diagram.
trondelagC | Regional geochemical survey of soil C in Norway
trondelagO | Regional geochemical survey of soil O in Norway

## -- V --

variation | Robust and classical variation matrix

## -- Z --

zeroOut | Detection of outliers of zero-inflated data
zeroPatterns | missing or zero pattern structure.