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R: Mining Spatial, Text, Web, and Social Media Data
book

R: Mining Spatial, Text, Web, and Social Media Data

by Bater Makhabel, Pradeepta Mishra, Nathan Danneman, Richard Heimann
June 2017
Beginner to intermediate
651 pages
14h 24m
English
Packt Publishing
Content preview from R: Mining Spatial, Text, Web, and Social Media Data

Opinion mining and WAVE clustering

The WAVE clustering algorithm is a grid-based clustering algorithm. It depends on the relation between spatial dataset and multidimensional signals. The idea is that the cluster in a multidimensional spatial dataset turns out to be more distinguishable after a wavelet transformation, that is, after applying wavelets to the input data or the preprocessed input dataset. The dense part segmented by the sparse area in the transformed result represents clusters.

The characteristics of the WAVE cluster algorithm are as follows:

  • Efficient for a large dataset
  • Efficient for finding various shapes of clusters
  • Insensitive to noise or outlier
  • Insensitive with respect to the input order of a dataset
  • Multiresolution, which is introduced ...
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Publisher Resources

ISBN: 9781788293747