⚠️There's a newer version (1.7-23) of this package.Take me there.

ade4 (version 1.00)

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

Description

Multivariate data analysis and graphical display.

Copy Link

Version

Install

install.packages('ade4')

Monthly Downloads

37,619

Version

1.00

License

GPL version 2 or newer

Maintainer

Jean Thioulouse

Last Published

February 14th, 2025

Functions in ade4 (1.00)

RV.rtest

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

ktab.data.frame

Creation of K-tables from a Data Frame

discrimin

Linear Discriminant Analysis (descriptive statistic)

dudi.mix

Ordination of Tables mixing quantitative variables and factors

dudi.coa

Correspondence Analysis

dist.dudi

Computation of the Distance Matrix of a Statistical Triplet

dudi.fca

Fuzzy Correspondence Analysis

kplot.mcoa

Multiple Graphs for a Multiple Co-inertia Analysis

kplot.statis

Multiple Graphs for a STATIS Analysis

score.acm

Graphs to study one factor in a Multiple Correspondence Analysis

dudi.nsc

Non symmetrical correspondence analysis

dudi.pco

Principal Coordinates Analysis

ade4toR

Format Change Utility

cca

Canonical Correspondence Analysis

discrimin.coa

Discriminant Correspondence Analysis

cailliez

Transformation to make Euclidean a distance matrix

area.plot

Graphical Display of Areas

s.match

Plot of Paired Coordinates

dist.quant

Computation of Distance Matrices on Quantitative Variables

s.class

Plot of factorial maps with representation of point classes

niche

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

s.value

Representation of a value in a graph

within.pca

Normed within Principal Component Analysis

scatter.acm

Plot of the factorial maps in multiple correspondence analysis

dudi.acm

Multiple Correspondence Analysis

ktab

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

inertia.dudi

Statistics of inertia in a one-table analysis

procuste.rtest

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

table.paint

Plot of the arrays by grey levels

unique.df

Elimination of Duplicated Rows in a Array

within

Within Analyses

kplot.pta

Multiple Graphs for a Partial Triadic Analysis

dudi.pca

Principal Component Analysis

kplot.foucart

Multiple Graphs for the Foucart's Correspondence Analysis

is.euclid

Is a Distance Matrix Euclidean ?

dudi.dec

Decentred Correspondence Analysis

table.cont

Plot of Contingency Tables

kplot

Generic Function for Multiple Graphs in a K-tables Analysis

kplot.mfa

Multiple Graphs for a Multiple Factorial Analysis

rtest.discrimin

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

dudi

Duality Diagram

pcoscaled

Simplified Analysis in Principal Coordinates

score.coa

Graphs to analyse a factor in a correspondence analysis

statis

STATIS, a method for analysing K-tables

between

Between-Class Analysis

scatter.coa

Plot of the factorial maps for a correspondence analysis

dist.prop

Computation of Distance Matrices of Percentage Data

neig

Neighbourhood Graphs

rtest.between

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

lingoes

Transformation of a Distance Matrix for becoming Euclidean

s.chull

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

scatter.dudi

Plot of the Factorial Maps

dist.binary

Computation of Distance Matrices for Binary Data

bicenter.wt

Double Weighted Centring

mcoa

Multiple CO-inertia Analysis

randtest-internal

Internal Permutation Tests functions (in C).

quasieuclid

Transformation of a distance matrice to an Euclidean one

score.mix

Graphs to Analyse a factor in a Mixed Analysis

coinertia

Coinertia Analysis

rtest

Class of the Permutation Tests (in R).

ktab.list.df

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

randtest.between

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

s.distri

Plot of a frequency distribution

s.corcircle

Plot of the factorial maps of a correlation circle

sco.quant

Graph to Analyse the Relation between a Score and Quantitative Variables

score.pca

Graphs to Analyse a factor in PCA

randtest

Class of the Permutation Tests (in C).

randtest.coinertia

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

scatter.fca

Plot of the factorial maps for a fuzzy correspondence analysis

kplot.sepan

Multiple Graphs for Separed Analyses in a K-tables

procuste.randtest

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

procuste

Simple Procruste Rotation between two sets of points

score

Graphs for One Dimension

sco.distri

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

sco.boxplot

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

mantel.randtest

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

mantel.rtest

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

randtest.discrimin

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

s.traject

Trajectory Plot

sepan

Separated Analyses in a K-tables

witwit.coa

Internal Correspondence Analysis

triangle.plot

Triangular Plotting

table.dist

Graph Display for Distance Matrices

supcol

Projections of Supplementary Columns

s.arrow

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

dist.neig

Computation of the Distance Matrix associated to a Neighbouring Graph

mfa

Multiple Factorial Analysis

s.label

Scatter Plot

suprow

Projections of Supplementary Rows

scatter

Scatter Plot

foucart

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

pcaivortho

Principal Component Analysis with respect to orthogonal instrumental variables

table.value

Plot of the Arrays

ktab.list.dudi

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

pcaiv

Principal component analysis with respect to instrumental variables

pta

Partial Triadic Analysis of a K-tables

scalewt

Centring and Scaling a Matrix of Any Weighting

reconst

Reconstitution of Data from a Duality Diagram

ktab.within

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

bf88

Cubic Ecological Data

aviurba

Ecological Tables Triplet

bacteria

Genomes of 43 Bacteria

coleo

Table of Fuzzy Biological Traits

Exam marks for some students

ardeche

Fauna Table with double (row and column) partitioning

butterfly

Genetics-Ecology-Environment Triple

ichtyo

Point sampling of fish community

baran95

African Estuary Fishes

banque

Table of Factors

perthi02

Contingency Table with a partition in Molecular Biology

doubs

Pair of Ecological Tables

microsatt

Genetic Relationships between cattle breeds with microsatellites

rpjdl

Avifauna and Vegetation

meaudret

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

jv73

K-tables Multi-Regions

escopage

K-tables of wine-tasting

chatcat

Qualitative Weighted Variables

friday87

Faunistic K-tables

steppe

Transect in the Vegetation

mariages

Correspondence Analysis Table

Fauna Table for Constrained Ordinations

mafragh

Phyto-Ecological Survey

morphosport

Athletes' Morphology

worksurv

French Worker Survey (1970)

ours

A table of Qualitative Variables

trichometeo

Pair of Ecological Data

rankrock

Ordination Table

lascaux

Genetic/Environment and types of variables

skulls

Morphometric Evolution

seconde

Students and Subjects

syndicats

Two Questions asked on a Sample of 1000 Respondents

sarcelles

Array of Recapture of Rings

Example for Centring in PCA

Physico-Chemistry Data

bsetal97

Ecological and Biological Traits

granulo

Granulometric Curves

mollusc

Faunistic Communities and Sampling Experiment

monde84

Global State of the World in 1984

tortues

Morphological Study of the Painted Turtle

ecomor

Ecomorphological Convergence

Small Ecological Dataset