compositions2.0-8 package

Compositional Data Analysis

gsipairs

Internal functions of the compositions package

gsiplain

Internal function: Convert to plain vector or matrix

gsiplotmargin

Internal functions of the compositions package

gsiexpandrcomp

Internal function: Scaling rcomp

gsifiltercall

Calling from a function with the own parameters

gsigetbalstruct

An auxiliary functions to compute user-defined ilr and ipt transforms.

gsigetD

Interal function: Get number of samples and number of parts in a compo...

gsiinternal

Environment containing the old gsi functions

gsiinvperm

Internal function: Invert a permutation

gsiisSingleRow

Internal function: Can something be considered as a single multivariat...

gsimap01

Internal functions: Storing integers as reals

acomp-class

Class "acomp"

acomp

Aitchison compositions

acomparith

Power transform in the simplex

acompmargin

Marginal compositions in Aitchison Compositions

alr

Additive log ratio transform

amounts-class

Class "amounts"

aplus-class

Class "aplus"

aplus

Amounts analysed in log-scale

aplusarithm

vectorial arithmetic for data sets with aplus class

apt

Additive planar transform

arrows3d

arrows in 3D, based on package rgl

asdataframe

Convert "compositions" classes to data frames or matrices

axis3d

Drawing a 3D coordiante system to a plot, based on package rgl

backtransform

Automatic common backtransformation for compositions

balancebase

Compute balances for a compositional dataset.

barplot

Bar charts of amounts

binary

Treating binary and g-adic numbers

biplot3d

Three-dimensional biplots, based on package rgl

boxplot

Displaying compositions and amounts with box-plots

ccomp-class

Class "ccomp"

ccomp

Count compositions

ccompgof

Compositional Goodness of fit test

cdt

Centered default transform

clo

Closure of a composition

clr

Centered log ratio transform

clr2ilr

Convert between clr and ilr, and between cpt and ipt.

clusterfinder

Heuristics to find subpopulations of outliers

codadendrogram

Dendrogram representation of acomp or rcomp objects

gsimargin

Internal function: Compute a desired compositional margin

gsimerge2signary

Auxiliary functions to compute user-defined ilr and ipt transforms.

coloredbiplot

A biplot providing somewhat easier access to details of the plot.

colorsforoutliers

Create a color/char palette or for groups of outliers

CompLinModCo

Compositional Linear Model of Coregionalisation

compmiss

The policy of treatment of missing values in the "compositions" packag...

compOKriging

Compositional Ordinary Kriging

compositional-class

Class "compositional"

compositions

tools:::Rd_package_title("compositions")

gsipairrelativeMatrix

Internal functions of the compositions package

ConfRadius

Helper to compute confidence ellipsoids

cor

Correlations of amounts and compositions

cpt

Centered planar transform

dist

Distances in variouse approaches

ellipses

Draw ellipses

endmemberCoordinates

Recast amounts as mixtures of end-members

fitdirichlet

Fitting a Dirichlet distribution

fitsamemean

Fit Same Mean Different Variance Model

gausstest

Classical Gauss Test

geometricmean

The geometric mean

getdetectionlimit

Gets the detection limit stored in the data set

goftests

Compositional Goodness of fit test

groupparts

Group amounts of parts

gsiadd

Internal functions: Parallel operations of single and multiple dataset...

gsiaddclass

Internal function: give a derived subclass to an object

gsicall

Internal functions of the compositions package

gsiclosespread

Internal functions of the compositions package

gsicoorinfo

Internal functions of the compositions package

gsicsum

Internal function: row and column sums of matrices

gsidiagExtract

Internal functions: Get the diagonal of a matrix

gsidiagGenerate

Internal functions: Generate a diagonal matrix

gsidrop

Internal functions: A conditional drop

gsieq

Internal function: Checking equality of IEEE special numbers

gsiPrinBal

The canonical basis in the clr plane used for ilr and ipt transforms.

gsirecode

Internal function: Recode missings with IEEE number and vice versa

gsireset3d

Internal functions of the compositions package

gsisimshape

Internal function: Reshape an object to the shape type of another

gsispreadToIsoSpace

Internal functions of the compositions package

gsisvdsolve

Internal function: Solves singular and non square equation systems

gsitextpanel

Internal function: A panel displaying a label only

gsivarwithlosts

Internal function: computes variance of compositional data set with mi...

HotellingsTsq

Hotellings T square distribution

idt

Isometric default transform

iit

Isometric identity transform

ilr

Isometric log ratio transform

ilrBase

The canonical basis in the clr plane used for ilr and ipt transforms.

ilt

Isometric log transform

ipt

Isometric planar transform

isAcomp

Check for compositional data type

ismahalanobisoutlier

Checking for outliers

isoportion

Isoportion- and Isoproportion-lines

jura

The jura dataset

kdeDirichlet

Density estimation on the simplex with Dirichlet kernel

kingtetrahedron

Ploting composition into rotable tetrahedron

lines

Draws connected lines from point to point.

logratioVariogram

Empirical variograms for compositions

lrvgram

vgram2lrvgram

mahalanobisdist

Compute Mahalanobis distances based von robust Estimations

matmult

inner product for matrices and vectors

matmultacomp

inner product for datasets with a vector space structure

meanAcomp

Mean amounts and mean compositions

meanrow

The arithmetic mean of rows or columns

missingProjector

Returns a projector the the observed space in case of missings.

missingsummary

Classify and summarize missing values in a dataset

mix2compositions

Transformations from 'mixtures' to 'compositions' classes

mixRead

Reads a data file in a mixR format

mvar

Metric summary statistics of real, amount or compositional data

names

The names of the parts

norm

Vector space norm

normalize

Normalize vectors to norm 1

oneOrDataset

Treating single compositions as one-row datasets

outlierclassifier

Detect and classify compositional outliers.

outlierplot

Plot various graphics to analyse outliers.

outliers

Analysing outliers in compositions.

pairwisePlot

Creates a paneled plot like pairs for two different datasets.

panelAcomp

Pairs plot method for compositions

parametricMat

Unique parametrisations for matrices.

perturbe

Perturbation of compositions

plot

Ternary diagrams

plot3d

plot in 3D based on rgl

plot3dacomp

3D-plot of compositional data

plot3daplus

3D-plot of positive data

plot3drmult

plot in 3D based on rgl

plot3drplus

plot in 3D based on rgl

plotlogratioVariogram

Empirical variograms for compositions

plotmissingsummary

Plot a Missing Summary

plotpos

Displaying amounts in scatterplots

powerofmatrix

power transform of a matrix

princompacomp

Principal component analysis for Aitchison compositions

princompaplus

Principal component analysis for amounts in log geometry

princomprcomp

Principal component analysis for real compositions

princomprmult

Principal component analysis for real data

princomprplus

Principal component analysis for real amounts

print

Printing compositional data.

pwlr

Pairwise log ratio transform

pwlrPlot

Plots of pairwise logratio against a covariable.

qqnorm

Normal quantile plots for compositions and amounts

R2

R square

raitchison

Aitchison Distribution

ratioLoadings

Loadings of relations of two amounts

rcomp-class

Class "rcomp"

rcomp

Compositions as elements of the simplex embedded in the D-dimensional ...

rcomparithm

Arithmetic operations for compositions in a real geometry

rcompmargin

Marginal compositions in real geometry

rDirichlet

Dirichlet distribution

readgeoeas

Reads a data file in a geoeas format

replot

Modify parameters of compositional plots.

rlnorm

The multivariate lognormal distribution

rmahalanobis

Compute distributions of empirical Mahalanobis distances based on simu...

rmult-class

Class "rmult"

rmult

Simple treatment of real vectors

rmultarithm

vectorial arithmetic for datasets in a classical vector scale

rmultmatmult

inner product for datasets with vector scale

rnorm

Normal distributions on special spaces

robustness

Handling robustness issues and outliers in compositions.

rplus-class

Class "rplus"

rplus

Amounts i.e. positive numbers analysed as objects of the real vector s...

rplusarithm

vectorial arithmetic for data sets with rplus class

rpois

Simulate count compositions without overdispersion

runif

The uniform distribution on the simplex

scalar

Parallel scalar products

scale

Normalizing datasets by centering and scaling

segments

Draws straight lines from point to point.

simplemissingplot

Ternary diagrams

simulatemissing

Artifical simulation of various kinds of missings/polluted data

split

Splitting datasets in groups given by factors

straight

Draws straight lines.

subsetting

Subsetting of compositions

summaryAcomp

Summarizing a compositional dataset in terms of ratios

summaryAplus

Summaries of amounts

summaryRcomp

Summary of compositions in real geometry

sumprojector

Compute the global projector to the observed subspace.

ternaryAxis

Axis for ternary diagrams

tests

Compositional Goodness of fit test

totals

Total sum of amounts

tryDebugger

Empirical variograms for compositions

ult

Uncentered log transform

varAcomp

Variances and covariances of amounts and compositions

variation

Variation matrices of amounts and compositions

variograms

Variogram functions

varmlm

Residual variance of a model

vcovAcomp

Variance covariance matrix of parameters in compositional regression

vgmFit

Compositional variogram model fitting

wrapped_functions

Standard R functions wrapped for compatibility

zeroreplace

Zero-replacement routine

Provides functions for the consistent analysis of compositional data (e.g. portions of substances) and positive numbers (e.g. concentrations) in the way proposed by J. Aitchison and V. Pawlowsky-Glahn.