Datenanalyse Mit Modellen F R Cluster Linearer Regression
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Datenanalyse Mit Modellen F R Cluster Linearer Regression
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Author : Christian Hennig
language : de
Publisher: diplom.de
Release Date : 2000-02-19
Datenanalyse Mit Modellen F R Cluster Linearer Regression written by Christian Hennig and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-02-19 with Mathematics categories.
Inhaltsangabe:Einleitung: In dieser Arbeit geht es um die Analyse von Daten, in denen Cluster linearer Regression erwartet werden können. Ein "Cluster linearer Regression" ist ein Teildatensatz, der sich von den übrigen Daten unterscheidet in Hinsicht auf den Zusammenhang zwischen einer oder mehreren Einflußgrößen und einer abhängigen Variablen. Dieser Zusammenhang wird pro Gruppe als linear vorausgesetzt ("lineare Regression"). Es werden mehrere Verfahren analysiert, um solche Gruppen zu finden. Mit der "Fixpunktcluster-Analyse" wird ein neues Verfahren vorgestellt und mit Hilfe von statistischer Theorie und Simulations-Studien untersucht. Es hat gegenüber den "klassischen" Verfahren den Vorteil, dass Fixpunktcluster unempfindlich gegenüber Veränderungen in "entfernten" Teilen der Daten (z.B. Ausreißer) sind. Das Verfahren lässt sich auch auf andere Probleme der Clusteranalyse übertragen. Inhaltsverzeichnis:Inhaltsverzeichnis: Inhaltsverzeichnis4 English abstract 3 1.Einführung7 1.1Das Problem 7 1.2Modelle für die Clusteranalyse (Teil I) 9 1.3Exkurs: Angemessenheit von Modellen 10 1.4Fixpunktcluster (Teil II und III) 12 1.5Vergleich der Verfahren (Teil IV) 13 1.6Formale und stilistische Bemerkungen 14 1.7Bezeichnungen 15 I.Mischungen linearer Regressionen17 2.Modellierung17 3.Ansätze zur Analyse der Modelle22 3.1Wechselpunktprobleme 22 3.2Kleinste Quadrate 23 3.3Parameterschätzung im Mischmodell 24 3.4Parameterschätzung im Fixed Partition Model 28 3.5Alternative Ansätze 30 3.5.1Robuste Regression 30 3.5.2Schwache Hierarchien 33 4.Einführung: Identifizierbarkeit 34 5.Beispiele für Nicht-Identfizierbarkeit 38 6.Identifizierbarkeitsresultate 43 II.Fixpunktcluster 54 7.Einführung: Fixpunktcluster 54 7.1Cluster und Ausreißer: Die allgemeine Fixpunktcluster-Idee 54 7.2Beispiel: Fixpunktcluster für 0-1-Vektoren 60 7.3Fixpunktcluster und die Selbstorganisation der Wahrnehmung 62 8.Fixpunktcluster im Regressionsfall63 8.1Regressions-Fixpunktclusterindikatoren 63 8.2Regressions-Fixpunktclustervektoren 65 9.Berechnung von KQ-Fixpunktclustervektoren67 10.Analyse von Beispieldatensätzen73 10.1Telefondaten 74 10.2Artifizieller Datensatz 76 III.Fixpunktclusterindikatoren in speziellen Modellen81 11.Hilfsresultate81 11.1Eigenschaften der Fixpunktcluster-Parameterfunktion 81 11.2Abgeschnittene Normalverteilungen 84 12.Fixpunktclusterindikatoren in homogenen Modellen91 13.Fixpunktclusterindikatoren in [...]
Datenanalyse Mit Modellen F R Cluster Linearer Regression
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Author : Christian Hennig
language : de
Publisher:
Release Date : 1997
Datenanalyse Mit Modellen F R Cluster Linearer Regression written by Christian Hennig and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Scaling Up Machine Learning
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Author : Ron Bekkerman
language : en
Publisher: Cambridge University Press
Release Date : 2012
Scaling Up Machine Learning written by Ron Bekkerman and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Computers categories.
This integrated collection covers a range of parallelization platforms, concurrent programming frameworks and machine learning settings, with case studies.
Encyclopedia Of Data Warehousing And Mining
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Author : Wang, John
language : en
Publisher: IGI Global
Release Date : 2005-06-30
Encyclopedia Of Data Warehousing And Mining written by Wang, John and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-06-30 with Computers categories.
Data Warehousing and Mining (DWM) is the science of managing and analyzing large datasets and discovering novel patterns and in recent years has emerged as a particularly exciting and industrially relevant area of research. Prodigious amounts of data are now being generated in domains as diverse as market research, functional genomics and pharmaceuticals; intelligently analyzing these data, with the aim of answering crucial questions and helping make informed decisions, is the challenge that lies ahead. The Encyclopedia of Data Warehousing and Mining provides a comprehensive, critical and descriptive examination of concepts, issues, trends, and challenges in this rapidly expanding field of data warehousing and mining (DWM). This encyclopedia consists of more than 350 contributors from 32 countries, 1,800 terms and definitions, and more than 4,400 references. This authoritative publication offers in-depth coverage of evolutions, theories, methodologies, functionalities, and applications of DWM in such interdisciplinary industries as healthcare informatics, artificial intelligence, financial modeling, and applied statistics, making it a single source of knowledge and latest discoveries in the field of DWM.
Advances In Data Science And Classification
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Author : Alfredo Rizzi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-08
Advances In Data Science And Classification written by Alfredo Rizzi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-08 with Mathematics categories.
International Federation of Classification Societies The International Federation of Classification Societies (lFCS) is an agency for the dissemination of technical and scientific information concerning classification and multivariate data analysis in the broad sense and in as wide a range of applications as possible; founded in 1985 in Cambridge (UK) by the following Scientific Societies and Groups: - British Classification Society - BCS - Classification Society of North America - CSNA - Gesellschaft fUr Klassification - GfKI - Japanese Classification Society - JCS - Classification Group ofItalian Statistical Society - CGSIS - Societe Francophone de Classification - SFC Now the IFCS includes also the following Societies: - Dutch-Belgian Classification Society - VOC - Polish Classification Section - SKAD - Portuguese Classification Association - CLAD - Group at Large - Korean Classification Society - KCS IFCS-98, the Sixth Conference of the International Federation of Classification Societies, was held in Rome, from July 21 to 24, 1998. Five preceding conferences were held in Aachen (Germany), Charlottesville (USA), Edinburgh (UK), Paris (France), Kobe (Japan).
Classification In The Information Age
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Author : Wolfgang A. Gaul
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Classification In The Information Age written by Wolfgang A. Gaul and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Business & Economics categories.
The volume presents contributions to the analysis of data in the information age - a challenge of growing importance. Scientists and professionals interested in classification, data analysis, and statistics will find in this book latest research results as well as applications to economics (especially finance and marketing), archeology, bioinformatics, environment, and health.
Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen
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Author :
language : de
Publisher:
Release Date : 1997
Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Dissertations, Academic categories.
Mathematische Methoden Der Wirtschaftswissenschaften
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Author : Wolfgang A. Gaul
language : de
Publisher: Springer-Verlag
Release Date : 2013-07-02
Mathematische Methoden Der Wirtschaftswissenschaften written by Wolfgang A. Gaul and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-02 with Business & Economics categories.
Zum Thema referieren Experten, die interdisziplinAre AktivitAten in den Gebieten Angewandte Mathematik und Statistik, Operations Research und Praktische Informatik zu neuen Ergebnissen verknA1/4pfen. Viele der BeitrAge benAtigen Hilfsmittel aus dem Bereich der Daten- und Clusteranalyse und verwenden darA1/4berhinaus Techniken der Wirtschaftsinformatik. Zu den wirtschaftswissenschaftlichen Anwendungen gehAren Marketing und Finanzierung. Das Buch bietet einen Aoeberblick A1/4ber aktuelle Forschungsrichtungen in diesen Gebieten und zeigt die MAglichkeiten fachA1/4bergreifender Anwendungen auf. Die BeitrAge gliedern sich in die Abschnitte: Data Mining, Datenanalyse und Klassifiaktion, Statistik, Marktforschung und Marketing, Kapital und Risiko, Operations Research und Unternehmensplanung, Volkswirtschaftslehre, Informatik und Methodeneinsatz in der Lehre.
Handbook Of Cluster Analysis
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Author : Christian Hennig
language : en
Publisher: CRC Press
Release Date : 2015-12-16
Handbook Of Cluster Analysis written by Christian Hennig and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-16 with Business & Economics categories.
Handbook of Cluster Analysis provides a comprehensive and unified account of the main research developments in cluster analysis. Written by active, distinguished researchers in this area, the book helps readers make informed choices of the most suitable clustering approach for their problem and make better use of existing cluster analysis tools.The
The Economy And The Vote
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Author : Wouter van der Brug
language : en
Publisher: Cambridge University Press
Release Date : 2007-04-30
The Economy And The Vote written by Wouter van der Brug and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-04-30 with Political Science categories.
Economic conditions are said to affect election outcomes, but past research has produced unstable and contradictory findings. This book argues that these problems are caused by the failure to take account of electoral competition between parties. A research strategy to correct this problem is designed and applied to investigate effects of economic conditions on (individual) voter choices and (aggregate) election outcomes over 42 elections in 15 countries. It shows that economic conditions exert small effects on individual party preferences, which can have large consequences for election outcomes. In countries where responsibility for economic policy is clear, voters vote retrospectively and reward or punish incumbent parties - although in coalition systems smaller government parties often gain at the expense of the largest party when economic conditions deteriorate. Where clarity of responsibility for economic policy is less clear, voters vote more prospectively on the basis of expected party policies.