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ade4 (version 1.03)

Analysis of Environmental Data : Exploratory and Euclidean methods in Environmental sciences

Description

Multivariate data analysis and graphical display.

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Version

Install

install.packages('ade4')

Monthly Downloads

57,496

Version

1.03

License

GPL version 2 or newer

Maintainer

Jean Thioulouse

Last Published

March 21st, 2026

Functions in ade4 (1.03)

procuste.randtest

Monte-Carlo Test on the sum of the singular values of a procustean rotation (in C).

rpjdl

Avifauna and Vegetation

banque

Table of Factors

avimedi

Fauna Table for Constrained Ordinations

ardeche

Fauna Table with double (row and column) partitioning

cca

Canonical Correspondence Analysis

deug

Exam marks for some students

dist.dudi

Computation of the Distance Matrix of a Statistical Triplet

dudi.acm

Multiple Correspondence Analysis

butterfly

Genetics-Ecology-Environment Triple

chats

Pair of Variables

mantel.rtest

Mantel test (correlation between two distance matrices (in R).)

dist.binary

Computation of Distance Matrices for Binary Data

syndicats

Two Questions asked on a Sample of 1000 Respondents

discrimin

Linear Discriminant Analysis (descriptive statistic)

dudi.pco

Principal Coordinates Analysis

Decentred Correspondence Analysis

area.plot

Graphical Display of Areas

foucart

K-tables Correspondence Analysis with the same rows and the same columns

dist.quant

Computation of Distance Matrices on Quantitative Variables

coinertia

Coinertia Analysis

microsatt

Genetic Relationships between cattle breeds with microsatellites

dudi.pca

Principal Component Analysis

RV.rtest

Monte-Carlo Test on the sum of eigenvalues of a co-inertia analysis (in R).

dudi

Duality Diagram

pta

Partial Triadic Analysis of a K-tables

clementines

Fruit Production

table.paint

Plot of the arrays by grey levels

statis

STATIS, a method for analysing K-tables

ichtyo

Point sampling of fish community

rtest.discrimin

Monte-Carlo Test on a Discriminant Analysis (in R).

ecomor

Ecomorphological Convergence

ktab

the class of objects 'ktab' (K-tables)

randtest

Class of the Permutation Tests (in C).

s.class

Plot of factorial maps with representation of point classes

dudi.nsc

Non symmetric correspondence analysis

atlas

Small Ecological Dataset

dudi.coa

Correspondence Analysis

morphosport

Athletes' Morphology

kplot.sepan

Multiple Graphs for Separed Analyses in a K-tables

ade4toR

Format Change Utility

mantel.randtest

Mantel test (correlation between two distance matrices (in C).)

seconde

Students and Subjects

dudi.fca

Fuzzy Correspondence Analysis

s.label

Scatter Plot

randtest.coinertia

Monte-Carlo test on a coinertia analysis (in C).

A table of Qualitative Variables

olympic

Olympic Decathlon

s.match

Plot of Paired Coordinates

capitales

Road Distances

mfa

Multiple Factorial Analysis

uniquewt.df

Elimination of Duplicated Rows in a Array

bf88

Cubic Ecological Data

sco.quant

Graph to Analyse the Relation between a Score and Quantitative Variables

fruits

Pair of Tables

ktab.within

Process to go from a Within Analysis to a K-tables

kplot.foucart

Multiple Graphs for the Foucart's Correspondence Analysis

kplot.statis

Multiple Graphs of a STATIS Analysis

lingoes

Transformation of a Distance Matrix for becoming Euclidean

macon

Wine Tasting

kplot.mfa

Multiple Graphs for a Multiple Factorial Analysis

scatter.fca

Plot of the factorial maps for a fuzzy correspondence analysis

ktab.list.df

Creating a K-tables from a list of data frame.

discrimin.coa

Discriminant Correspondence Analysis

irishdata

Geary's Irish Data

tortues

Morphological Study of the Painted Turtle

pcaivortho

Principal Component Analysis with respect to orthogonal instrumental variables

santacatalina

Indirect Ordination

bacteria

Genomes of 43 Bacteria

Multiple CO-inertia Analysis

mollusc

Faunistic Communities and Sampling Experiment

lascaux

Genetic/Environment and types of variables

dudi.mix

Ordination of Tables mixing quantitative variables and factors

dist.neig

Computation of the Distance Matrix associated to a Neighbouring Graph

aviurba

Ecological Tables Triplet

suprow

Projections of Supplementary Rows

veuvage

Example for Centring in PCA

yanomama

Distance Matrices

mariages

Correspondence Analysis Table

scalewt

Centring and Scaling a Matrix of Any Weighting

niche

Method to Analyse a pair of tables : Environmental and Faunistic Data

baran95

African Estuary Fishes

witwit.coa

Internal Correspondence Analysis

pcoscaled

Simplified Analysis in Principal Coordinates

worksurv

French Worker Survey (1970)

meaudret

Ecological Data : sites-variables, sites-species, where and when

chatcat

Qualitative Weighted Variables

rhone

Physico-Chemistry Data

table.value

Plot of the Arrays

kplot.pta

Multiple Graphs for a Partial Triadic Analysis

s.chull

Plot of the factorial maps with polygons of contour by level of a factor

Plot of Contingency Tables

scatter.acm

Plot of the factorial maps in multiple correspondence analysis

score.pca

Graphs to Analyse a factor in PCA

perthi02

Contingency Table with a partition in Molecular Biology

kplot

Generic Function for Multiple Graphs in a K-tables Analysis

randtest.between

Monte-Carlo Test on the between-groups inertia percentage (in C).

triangle.plot

Triangular Plotting

randtest-internal

Internal Permutation Tests functions (in C).

score

Graphs for One Dimension

score.mix

Graphs to Analyse a factor in a Mixed Analysis

scatter.dudi

Plot of the Factorial Maps

s.corcircle

Plot of the factorial maps of a correlation circle

sepan

Separated Analyses in a K-tables

pcaiv

Principal component analysis with respect to instrumental variables

table.dist

Graph Display for Distance Matrices

dist.prop

Computation of Distance Matrices of Percentage Data

scatter.coa

Plot of the factorial maps for a correspondence analysis

trichometeo

Pair of Ecological Data

sarcelles

Array of Recapture of Rings

ktab.data.frame

Creation of K-tables from a data frame

procuste.rtest

Monte-Carlo Test on the sum of the singular values of a procustean rotation (in R).

within.pca

Normed within Principal Component Analysis

randtest.discrimin

Monte-Carlo Test on a Discriminant Analysis (in C).

rtest.between

Monte-Carlo Test on the between-groups inertia percentage (in R).

score.acm

Graphs to study one factor in a Multiple Correspondence Analysis

rankrock

Ordination Table

quasieuclid

Transformation of a distance matrice to an Euclidean one

supcol

Projections of Supplementary Columns

within

Within Analyses

mafragh

Phyto-Ecological Survey

sco.boxplot

Representation of the link between a variable and a set of qualitative variables

s.value

Representation of a value in a graph

procuste

Simple Procruste Rotation between two sets of points

s.arrow

Plot of the factorial maps for the projection of a vector basis

jv73

K-tables Multi-Regions

coleo

Table of Fuzzy Biological Traits

cailliez

Transformation to make Euclidean a distance matrix

doubs

Pair of Ecological Tables

kplot.mcoa

Multiple Graphs for a Multiple Co-inertia Analysis

ktab.list.dudi

Creation of a K-tables from a list of duality diagrams

friday87

Faunistic K-tables

bsetal97

Ecological and Biological Traits

escopage

K-tables of wine-tasting

is.euclid

Is a Distance Matrix Euclidean ?

monde84

Global State of the World in 1984

s.distri

Plot of a frequency distribution

rtest

Class of the Permutation Tests (in R).

tarentaise

Mountain Avifauna

between

Between-Class Analysis

skulls

Morphometric Evolution

neig

Neighbourhood Graphs

sco.distri

Representation by mean- standard deviation of a set of weight distributions on a numeric score

inertia.dudi

Statistics of inertia in a one-table analysis

toxicity

Homogeneous Table

reconst

Reconstitution of Data from a Duality Diagram

bicenter.wt

Double Weighted Centring

score.coa

Graphs to analyse a factor in a correspondence analysis

dunedata

Dune Meadow Data

steppe

Transect in the Vegetation