Download or read book Le Traitement des tr s grands ensembles de donn es en analyse factorielle des correspondances written by Jean-Paul Briane and published by . This book was released on 1977 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Multivariate Analysis in Community Ecology written by Hugh G. Gauch and published by Cambridge University Press. This book was released on 1982-02-26 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: A full description of computer-based methods of analysis used to define and solve ecological problems. Multivariate techniques permit summary of complex sets of data and allow investigation of many problems which cannot be tackled experimentally because of practical restraints.

Download or read book Classification and Ordination written by E. van der Maarel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eddy V AN DER MAAREL This volume is the first of two volumes covering the Sym computer programmes for the rapid clustering and ordina posium 'Advances in vegetation science', which was held at tion of very large sets of reI eves and for (subsequent) table Nijmegen, The Netherlands, from 15-19 May 1979. This rearrangement (this volume as well as the book Data symposium was organized on behalf of the Working Group Processing in Phytosociology contain various new pro for Data-Processing of the International Society for Vege grams). What we do not have is a manual in which the tation Science. After this group held its final meeting two apparently successful methods are compared and applied years earlier it decided to continue its activities, but within a to some data-sets. H. Lieth, editor-in-chief of a new Junk wider scope. Most members of the Group felt that the series 'Tasks for vegetation science' already suggested to original aim, i. e. the introduction of data-processing and produce such a manual in this series. multivariate methods for use in the systematic description The present volume contains the texts of the lectures and of plant communities, was more or less fulfilled. The book most of the poster demonstrations of the first three sessions Data -Processing in Phytosociology, largely based on papers of the Symposium, dealing with classification and ordina in Vegetatio, edited by E. van der Maarel, L. Orloci & S.

Download or read book Analyse factorielle multiple avec R written by Jérôme Pagès and published by EDP Sciences. This book was released on 2013-09-01T00:00:00+02:00 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: L’analyse factorielle multiple (AFM ) est la méthode de référence pour analyser des tableaux de données dans lesquels un ensemble d’individus est décrit par plusieurs groupes de variables, ces dernières pouvant être quantitatives et/ou qualitatives. Ce type de tableau multiple se rencontre dans de nombreux domaines comme les enquêtes (les questionnaires comportent toujours plusieurs thèmes : des opinions, des comportements, etc.) ou les sciences expérimentales (dans l’industrie agro-alimentaire, par exemple, on caractérise les produits à la fois par des données physico-chimiques et des données issues de dégustations). Ce livre est destiné aux utilisateurs confrontés à des tableaux multiples. Une large place est accordée aux applications et à la mise en oeuvre via R. L’objectif est de rendre l’utilisateur autonome dans l’application de l’AFM sur ses données. Dans cet esprit, ce livre : – introduit une à une les principales caractéristiques de la méthode intuitivement à partir d’exemples ; – donne les éléments théoriques nécessaires pour une compréhension en profondeur avec un recours au raisonnement géométrique systématique ; – illustre les résultats à partir des exemples introductifs ; – détaille la marche à suivre pour appliquer l’AFM avec le package FactoMineR ou via des codes R. Ces codes sont disponibles sur le site du LMA 2 (Agrocampus). Cet exposé est complété par une présentation des méthodes classiques, ACP et ACM , elle aussi fondée sur des exemples. L’ensemble constitue l’état de l’art aujourd’hui en analyse factorielle. Jérôme Pagès est professeur de statistique à Agrocampus (Rennes) où il dirige le laboratoire de mathématiques appliquées (LMA2).

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Download or read book Ecologie Des Meio et Mixofaunes D une Vasiere de L estuaire de la Loire written by Verónica Da Fonseca-Genevois and published by . This book was released on 1987 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Les v g tations nitrophiles et anthropogenes written by Jean-Marie Géhu and published by . This book was released on 1985 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The R Book written by Michael J. Crawley and published by John Wiley & Sons. This book was released on 2007-06-13 with total page 953 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high-level language of R is recognized as one of the mostpowerful and flexible statistical software environments, and israpidly becoming the standard setting for quantitative analysis,statistics and graphics. R provides free access to unrivalledcoverage and cutting-edge applications, enabling the user to applynumerous statistical methods ranging from simple regression to timeseries or multivariate analysis. Building on the success of the author’s bestsellingStatistics: An Introduction using R, The R Book ispacked with worked examples, providing an all inclusive guide to R,ideal for novice and more accomplished users alike. The bookassumes no background in statistics or computing and introduces theadvantages of the R environment, detailing its applications in awide range of disciplines. Provides the first comprehensive reference manual for the Rlanguage, including practical guidance and full coverage of thegraphics facilities. Introduces all the statistical models covered by R, beginningwith simple classical tests such as chi-square and t-test. Proceeds to examine more advance methods, from regression andanalysis of variance, through to generalized linear models,generalized mixed models, time series, spatial statistics,multivariate statistics and much more. The R Book is aimed at undergraduates, postgraduates andprofessionals in science, engineering and medicine. It is alsoideal for students and professionals in statistics, economics,geography and the social sciences.