Windows-based software for optimising entropy-based groupings of textural data

Authors:
Lachlan K. Stewart;Vladmir E. Kostylev;Alan R. Orpin
Affiliations:
CSIRO Land and Water, Davies Laboratory, PMB Aitkenvale, Townsville Qld 4814, Australia and School of Earth and Environmental Sciences, James Cook University, Townsville, Qld 4811, Australia;Geological Survey of Canada (Atlantic), P.O. Box 1006, Dartmouth NS, Canada B2Y 4A2;Geological Survey of Canada (Atlantic), P.O. Box 1006, Dartmouth NS, Canada B2Y 4A2 and NIWA, Private Bag 14 901 Kilbirnie, Wellington, New Zealand
Venue:
Computers & Geosciences
Year:
2009

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Abstract

EntropyMax is a new 32-bit Windows-based software that groups large matrices of grain-size distribution data into a finite number of groups. The software utilises statistical algorithms that minimise the entropy within a group while maximising the entropy between groups. EntropyMax builds upon an existing DOS-BASIC program through the addition of a more robust computational routine, a graphical user interface, incorporation of an improved and more statistically meaningful method for identifying the optimal number of groupings, and better graphical presentation of results. These refinements add significantly to the functionality and statistical rigour of the program on modern computer platforms and large data sets.