Plausibility of Databases : and the Relation to Imputation Methods

Language: English

Published by AV Akademikerverlag, 2012

3639435788 / 9783639435788

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nach der Bestellung gedruckt Neuware - Printed after ordering - Revision with unchanged content. The estimation of the plausibility of a set of observations basically depends on the main structure which stands behind these data. Observations which fit into this estimated structure seem more plausible, than observations with large distance to such structure estimates. For representing the structure of a data set, here principal components are used. Since single observations which do not follow the main structure of a data set (outliers) should not influence such estimations, robust methods are considered primarily in this context. The estimation of missing values is based on principal component analysis as well. Iteratively principal components are estimated, and observations are projected onto them until convergence of this process. In this context existing algorithms have been improved concerning the quality of imputation and runtime behavior. In particular this improvement focuses on the projection methods which are used to project observations containing missings onto principal components.…

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Title
Plausibility of Databases : and the Relation to Imputation Methods
Author
Heinrich Fritz
Publisher
AV Akademikerverlag
Publication year
2012
Condition
Neu
Binding
Taschenbuch
Language
English
ISBN 10
3639435788
ISBN 13
9783639435788
Item weight
161 grams
Dimensions
220x150x6 mm

AHA-BUCH GmbH

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