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    block this user An-Ping Li

    Research Fellow

    Beijing 100085, P.R.China

    as a Data Mining Tool for Environmental Applications

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    Abstract: The authors have applied multivariate cluster analysis to a variety of environmental science domains, including ecological regionalization; environmental monitoring network design; analysis of satellite-, airborne-, and ground-based remote sensing, and climate model-model and model-measurement intercomparison. The clustering methodology employs a k-means statistical clustering algorithm that has been implemented in a highly scalable, parallel high performance computing (HPC) application. Because of its efficiency and use of HPC platforms, the clustering code may be applied as a data mining tool to analyze and compare very large data sets of high dimensionality, such as very long or high frequency/resolution time series measurements or model output. The method was originally applied across geographic space and called Multivariate Geographic Clustering (MGC). Now applied across space and through time, the environmental data mining method is called Multivariate Spatio-Temporal Clustering (MSTC). Described here are the clustering algorithm, recent code improvements that significantly reduce the time-to-solution, and a new parallel principal components analysis (PCA) tool that can analyze very large data sets. Finally, a sampling of the authors applications of MGC and MSTC to problems in the environmental

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    Title : as a Data Mining Tool for Environmental Applications
    Abstract : Abstract: The authors have applied multivariate cluster analysis to a variety of environmental science domains, including ecological regionalization; environmental monitoring network design; analysis of satellite-, airborne-, and ground-based remote sensing, and climate model-model and model-measurement intercomparison. The clustering methodology employs a k-means statistical clustering algorithm that has been implemented in a highly scalable, parallel high performance computing (HPC) application. Because of its efficiency and use of HPC platforms, the clustering code may be applied as a data mining tool to analyze and compare very large data sets of high dimensionality, such as very long or high frequency/resolution time series measurements or model output. The method was originally applied across geographic space and called Multivariate Geographic Clustering (MGC). Now applied across space and through time, the environmental data mining method is called Multivariate Spatio-Temporal Clustering (MSTC). Described here are the clustering algorithm, recent code improvements that significantly reduce the time-to-solution, and a new parallel principal components analysis (PCA) tool that can analyze very large data sets. Finally, a sampling of the authors applications of MGC and MSTC to problems in the environmental
    Subject : unspecified
    Area : Mathematics
    Language : English
    Affiliations
    Url : http://research.esd.ornl.gov/~forrest/pubs/Hoffman_iEMSs-ARM_2008.pdf
    Doi : 10.1.1.145.9759

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    An-Ping's Peer Evaluation activity

    Emailed by 1
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