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ade4 (version 1.04)

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

47,387

Version

1.04

License

GPL version 2 or newer

Maintainer

Jean Thioulouse

Last Published

February 14th, 2025

Functions in ade4 (1.04)

discrimin.coa

Discriminant Correspondence Analysis

dudi.pco

Principal Coordinates Analysis

capitales

Road Distances

bsetal97

Ecological and Biological Traits

ktab

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

between

Between-Class Analysis

clementines

Fruit Production

dudi.pca

Principal Component Analysis

rankrock

Ordination Table

aviurba

Ecological Tables Triplet

euro123

Triangular Data

butterfly

Genetics-Ecology-Environment Triple

RV.rtest

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

atlas

Small Ecological Dataset

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

dudi.fca

Fuzzy Correspondence Analysis

santacatalina

Indirect Ordination

ktab.list.df

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

ktab.within

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

toxicity

Homogeneous Table

escopage

K-tables of wine-tasting

bf88

Cubic Ecological Data

macaca

Landmarks

cca

Canonical Correspondence Analysis

reconst

Reconstitution of Data from a Duality Diagram

granulo

Granulometric Curves

randtest.discrimin

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

coinertia

Coinertia Analysis

dist.binary

Computation of Distance Matrices for Binary Data

ecomor

Ecomorphological Convergence

score.coa

Graphs to analyse a factor in a correspondence analysis

cailliez

Transformation to make Euclidean a distance matrix

neig

Neighbourhood Graphs

seconde

Students and Subjects

s.arrow

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

tortues

Morphological Study of the Painted Turtle

chatcat

Qualitative Weighted Variables

s.traject

Trajectory Plot

mafragh

Phyto-Ecological Survey

kplot.foucart

Multiple Graphs for the Foucart's Correspondence Analysis

foucart

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

discrimin

Linear Discriminant Analysis (descriptive statistic)

ichtyo

Point sampling of fish community

s.value

Representation of a value in a graph

kplot.sepan

Multiple Graphs for Separed Analyses in a K-tables

inertia.dudi

Statistics of inertia in a one-table analysis

s.class

Plot of factorial maps with representation of point classes

mantel.randtest

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

bicenter.wt

Double Weighted Centring

kplot.mfa

Multiple Graphs for a Multiple Factorial Analysis

ktab.list.dudi

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

dudi.acm

Multiple Correspondence Analysis

procuste

Simple Procruste Rotation between two sets of points

s.corcircle

Plot of the factorial maps of a correlation circle

lingoes

Transformation of a Distance Matrix for becoming Euclidean

pta

Partial Triadic Analysis of a K-tables

ktab.data.frame

Creation of K-tables from a data frame

rtest

Class of the Permutation Tests (in R).

dudi.mix

Ordination of Tables mixing quantitative variables and factors

scatter.dudi

Plot of the Factorial Maps

procuste.rtest

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

dudi

Duality Diagram

kplot

Generic Function for Multiple Graphs in a K-tables Analysis

dudi.coa

Correspondence Analysis

monde84

Global State of the World in 1984

housetasks

Contingency Table

syndicats

Two Questions asked on a Sample of 1000 Respondents

macon

Wine Tasting

avimedi

Fauna Table for Constrained Ordinations

randtest

Class of the Permutation Tests (in C).

pcoscaled

Simplified Analysis in Principal Coordinates

olympic

Olympic Decathlon

score.mix

Graphs to Analyse a factor in a Mixed Analysis

kplot.statis

Multiple Graphs of a STATIS Analysis

ardeche

Fauna Table with double (row and column) partitioning

banque

Table of Factors

mfa

Multiple Factorial Analysis

pcaivortho

Principal Component Analysis with respect to orthogonal instrumental variables

skulls

Morphometric Evolution

randtest.between

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

rtest.discrimin

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

kplot.pta

Multiple Graphs for a Partial Triadic Analysis

sco.boxplot

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

dudi.nsc

Non symmetric correspondence analysis

s.chull

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

s.distri

Plot of a frequency distribution

ours

A table of Qualitative Variables

rpjdl

Avifauna and Vegetation

table.paint

Plot of the arrays by grey levels

score.acm

Graphs to study one factor in a Multiple Correspondence Analysis

within

Within Analyses

sepan

Separated Analyses in a K-tables

uniquewt.df

Elimination of Duplicated Rows in a Array

veuvage

Example for Centring in PCA

irishdata

Geary's Irish Data

perthi02

Contingency Table with a partition in Molecular Biology

dist.prop

Computation of Distance Matrices of Percentage Data

scatter

Scatter Plot

rtest.between

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

score

Graphs for One Dimension

supcol

Projections of Supplementary Columns

suprow

Projections of Supplementary Rows

lascaux

Genetic/Environment and types of variables

sarcelles

Array of Recapture of Rings

randtest.coinertia

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

table.dist

Graph Display for Distance Matrices

s.label

Scatter Plot

score.pca

Graphs to Analyse a factor in PCA

table.cont

Plot of Contingency Tables

scatter.acm

Plot of the factorial maps in multiple correspondence analysis

randtest-internal

Internal Permutation Tests functions (in C).

within.pca

Normed within Principal Component Analysis

mollusc

Faunistic Communities and Sampling Experiment

area.plot

Graphical Display of Areas

baran95

African Estuary Fishes

friday87

Faunistic K-tables

niche

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

mcoa

Multiple CO-inertia Analysis

triangle.plot

Triangular Plotting

s.match

Plot of Paired Coordinates

sco.quant

Graph to Analyse the Relation between a Score and Quantitative Variables

worksurv

French Worker Survey (1970)

trichometeo

Pair of Ecological Data

meaudret

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

yanomama

Distance Matrices

rhone

Physico-Chemistry Data

tarentaise

Mountain Avifauna

dist.neig

Computation of the Distance Matrix associated to a Neighbouring Graph

kplot.mcoa

Multiple Graphs for a Multiple Co-inertia Analysis

scalewt

Centring and Scaling a Matrix of Any Weighting

quasieuclid

Transformation of a distance matrice to an Euclidean one

sco.distri

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

bacteria

Genomes of 43 Bacteria

coleo

Table of Fuzzy Biological Traits

chazeb

Charolais-Zebus

meau

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

scatter.fca

Plot of the factorial maps for a fuzzy correspondence analysis

dist.dudi

Computation of the Distance Matrix of a Statistical Triplet

dist.quant

Computation of Distance Matrices on Quantitative Variables

jv73

K-tables Multi-Regions

mariages

Correspondence Analysis Table

pcaiv

Principal component analysis with respect to instrumental variables

scatter.coa

Plot of the factorial maps for a correspondence analysis

table.value

Plot of the Arrays

deug

Exam marks for some students

procuste.randtest

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

is.euclid

Is a Distance Matrix Euclidean ?

statis

STATIS, a method for analysing K-tables

morphosport

Athletes' Morphology

microsatt

Genetic Relationships between cattle breeds with microsatellites

witwit.coa

Internal Correspondence Analysis

ktab.match2ktabs

STATIS and Co-Inertia : Analysis of a series of paired ecological tables

dudi.dec

Decentred Correspondence Analysis

bordeaux

Wine Tasting

ade4toR

Format Change Utility

doubs

Pair of Ecological Tables

dunedata

Dune Meadow Data

steppe

Transect in the Vegetation