Statistical Methods for Imbalanced Data in Ecological and Biological Studies (Paperback, 1st ed. 2019)

This book presents a fresh, new approach in that it provides a comprehensive recent review of challenging problems caused by imbalanced data in prediction and classification, and also in that it introduces several of the latest statistical methods of dealing with these problems. The book discusses the property of the imbalance of data from two points of view. The first is quantitative imbalance, meaning that the sample size in one population highly outnumbers that in another population. It includes presence-only data as an extreme case, where the presence of a species is confirmed, whereas the information on its absence is uncertain, which is especially common in ecology in predicting habitat distribution. The second is qualitative imbalance, meaning that the data distribution of one population can be well specified whereas that of the other one shows a highly heterogeneous property. A typical case is the existence of outliers commonly observed in gene expression data, and another is heterogeneous characteristics often observed in a case group in case-control studies. The extension of the logistic regression model, maxent, and AdaBoost for imbalanced data is discussed, providing a new framework for improvement of prediction, classification, and performance of variable selection. Weights functions introduced in the methods play an important role in alleviating the imbalance of data. This book also furnishes a new perspective on these problem and shows some applications of the recently developed statistical methods to real data sets.

General

Imprint:	Springer Verlag,Japan
Country of origin:	Japan
Series:	SpringerBriefs in Statistics
Release date:	July 2019
Authors:	Osamu Komori • Shinto Eguchi
Dimensions:	235 x 155mm (L x W)
Format:	Paperback
Pages:	59
Edition:	1st ed. 2019
ISBN-13:	978-4-431-55569-8
Categories:	Books > Science & Mathematics > Mathematics > Probability & statistics Books > Social sciences > Sociology, social studies > Social research & statistics > General Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > General
LSN:	4-431-55569-2
Barcode:	9784431555698

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