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ISPRS Int. J. Geo-Inf. 2017, 6(1), 23; doi:10.3390/ijgi6010023

sgdm: An R Package for Performing Sparse Generalized Dissimilarity Modelling with Tools for gdm

Geography Department, Humboldt-Universität zu Berlin, Unter den Linden 6, D-10099 Berlin, Germany
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Academic Editors: Duccio Rocchini and Wolfgang Kainz
Received: 15 August 2016 / Revised: 4 January 2017 / Accepted: 16 January 2017 / Published: 19 January 2017
(This article belongs to the Special Issue Spatial Ecology)
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Abstract

Global biodiversity change creates a need for standardized monitoring methods. Modelling and mapping spatial patterns of community composition using high-dimensional remotely sensed data requires adapted methods adequate to such datasets. Sparse generalized dissimilarity modelling is designed to deal with high dimensional datasets, such as time series or hyperspectral remote sensing data. In this manuscript we present sgdm, an R package for performing sparse generalized dissimilarity modelling (SGDM). The package includes some general tools that add functionality to both generalized dissimilarity modelling and sparse generalized dissimilarity modelling. It also includes an exemplary dataset that allows for the application of SGDM for mapping the spatial patterns of tree communities in a region of natural vegetation in the Brazilian Cerrado. View Full-Text
Keywords: Cerrado trees; community turnover; high-dimensional data; hyperspectral remote sensing; generalized dissimilarity modelling; sparse canonical component analysis; R package Cerrado trees; community turnover; high-dimensional data; hyperspectral remote sensing; generalized dissimilarity modelling; sparse canonical component analysis; R package
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Leitão, P.J.; Schwieder, M.; Senf, C. sgdm: An R Package for Performing Sparse Generalized Dissimilarity Modelling with Tools for gdm. ISPRS Int. J. Geo-Inf. 2017, 6, 23.

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