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ade4 (version 1.01)

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

51,023

Version

1.01

License

GPL version 2 or newer

Maintainer

Jean Thioulouse

Last Published

February 14th, 2025

Functions in ade4 (1.01)

cailliez

Transformation to make Euclidean a distance matrix

dudi.acm

Multiple Correspondence Analysis

dist.quant

Computation of Distance Matrices on Quantitative Variables

RV.rtest

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

is.euclid

Is a Distance Matrix Euclidean ?

procuste.rtest

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

dist.binary

Computation of Distance Matrices for Binary Data

s.label

Scatter Plot

ktab.list.df

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

dudi.pco

Principal Coordinates Analysis

cca

Canonical Correspondence Analysis

kplot

Generic Function for Multiple Graphs in a K-tables Analysis

niche

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

ktab

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

dudi.dec

Decentred Correspondence Analysis

ktab.list.dudi

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

dist.neig

Computation of the Distance Matrix associated to a Neighbouring Graph

sco.quant

Graph to Analyse the Relation between a Score and Quantitative Variables

mcoa

Multiple CO-inertia Analysis

dudi.fca

Fuzzy Correspondence Analysis

randtest

Class of the Permutation Tests (in C).

dudi.nsc

Non symmetrical correspondence analysis

between

Between-Class Analysis

pcaiv

Principal component analysis with respect to instrumental variables

ktab.data.frame

Creation of K-tables from a Data Frame

s.chull

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

randtest-internal

Internal Permutation Tests functions (in C).

pta

Partial Triadic Analysis of a K-tables

s.value

Representation of a value in a graph

s.match

Plot of Paired Coordinates

rtest.between

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

dudi.pca

Principal Component Analysis

table.paint

Plot of the arrays by grey levels

sepan

Separated Analyses in a K-tables

scatter.coa

Plot of the factorial maps for a correspondence analysis

score

Graphs for One Dimension

dudi.mix

Ordination of Tables mixing quantitative variables and factors

neig

Neighbourhood Graphs

reconst

Reconstitution of Data from a Duality Diagram

scatter.acm

Plot of the factorial maps in multiple correspondence analysis

supcol

Projections of Supplementary Columns

randtest.coinertia

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

pcaivortho

Principal Component Analysis with respect to orthogonal instrumental variables

scatter.dudi

Plot of the Factorial Maps

ade4toR

Format Change Utility

coinertia

Coinertia Analysis

area.plot

Graphical Display of Areas

s.traject

Trajectory Plot

kplot.pta

Multiple Graphs for a Partial Triadic Analysis

rtest.discrimin

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

dist.dudi

Computation of the Distance Matrix of a Statistical Triplet

statis

STATIS, a method for analysing K-tables

pcoscaled

Simplified Analysis in Principal Coordinates

sco.boxplot

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

s.distri

Plot of a frequency distribution

lingoes

Transformation of a Distance Matrix for becoming Euclidean

procuste.randtest

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

randtest.between

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

sco.distri

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

score.coa

Graphs to analyse a factor in a correspondence analysis

discrimin

Linear Discriminant Analysis (descriptive statistic)

table.dist

Graph Display for Distance Matrices

uniquewt.df

Elimination of Duplicated Rows in a Array

dudi.coa

Correspondence Analysis

witwit.coa

Internal Correspondence Analysis

score.mix

Graphs to Analyse a factor in a Mixed Analysis

dudi

Duality Diagram

procuste

Simple Procruste Rotation between two sets of points

scalewt

Centring and Scaling a Matrix of Any Weighting

quasieuclid

Transformation of a distance matrice to an Euclidean one

inertia.dudi

Statistics of inertia in a one-table analysis

kplot.sepan

Multiple Graphs for Separed Analyses in a K-tables

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

suprow

Projections of Supplementary Rows

within.pca

Normed within Principal Component Analysis

kplot.foucart

Multiple Graphs for the Foucart's Correspondence Analysis

kplot.mcoa

Multiple Graphs for a Multiple Co-inertia Analysis

rtest

Class of the Permutation Tests (in R).

scatter.fca

Plot of the factorial maps for a fuzzy correspondence analysis

table.value

Plot of the Arrays

ktab.within

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

mantel.rtest

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

score.pca

Graphs to Analyse a factor in PCA

randtest.discrimin

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

bicenter.wt

Double Weighted Centring

kplot.statis

Multiple Graphs for a STATIS Analysis

s.class

Plot of factorial maps with representation of point classes

s.arrow

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

s.corcircle

Plot of the factorial maps of a correlation circle

discrimin.coa

Discriminant Correspondence Analysis

dist.prop

Computation of Distance Matrices of Percentage Data

kplot.mfa

Multiple Graphs for a Multiple Factorial Analysis

triangle.plot

Triangular Plotting

table.cont

Plot of Contingency Tables

mantel.randtest

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

mfa

Multiple Factorial Analysis

score.acm

Graphs to study one factor in a Multiple Correspondence Analysis

capitales

Road Distances

ichtyo

Point sampling of fish community

granulo

Granulometric Curves

butterfly

Genetics-Ecology-Environment Triple

steppe

Transect in the Vegetation

fruits

Pair of Tables

doubs

Pair of Ecological Tables

olympic

Olympic Decathlon

jv73

K-tables Multi-Regions

Pair of Ecological Data

avimedi

Fauna Table for Constrained Ordinations

dunedata

Dune Meadow Data

perthi02

Contingency Table with a partition in Molecular Biology

macon

Wine Tasting

mariages

Correspondence Analysis Table

coleo

Table of Fuzzy Biological Traits

tortues

Morphological Study of the Painted Turtle

bsetal97

Ecological and Biological Traits

tarentaise

Mountain Avifauna

skulls

Morphometric Evolution

veuvage

Example for Centring in PCA

ours

A table of Qualitative Variables

meaudret

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

Exam marks for some students

euro123

Triangular Data

microsatt

Genetic Relationships between cattle breeds with microsatellites

monde84

Global State of the World in 1984

ardeche

Fauna Table with double (row and column) partitioning

chazeb

Charolais-Zebus

lascaux

Genetic/Environment and types of variables

baran95

African Estuary Fishes

Faunistic Communities and Sampling Experiment

chats

Pair of Variables

escopage

K-tables of wine-tasting

Qualitative Weighted Variables

ecomor

Ecomorphological Convergence

friday87

Faunistic K-tables

mafragh

Phyto-Ecological Survey

macaca

Landmarks

bf88

Cubic Ecological Data

bacteria

Genomes of 43 Bacteria

rhone

Physico-Chemistry Data

aviurba

Ecological Tables Triplet

elec88

Electoral Data

seconde

Students and Subjects

toxicity

Homogeneous Table

syndicats

Two Questions asked on a Sample of 1000 Respondents

sarcelles

Array of Recapture of Rings

atlas

Small Ecological Dataset

banque

Table of Factors

rpjdl

Avifauna and Vegetation

worksurv

French Worker Survey (1970)