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Using the
well-known minimal spanning tree algorithm by Kruskal, we
have developed a clustering tool that organises data based
on the similarities of individual elements and groups of
data items.
This technology
has been used in a project where equity shares traded on
the JSE were clustered in groups according to their relative
price and volume movements. This project was aimed at analysing
groups of similarly performing equities based on their daily,
monthly and quarterly volatilities.
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The question
that this technology answers is: "Are there any significant
and recurring pattern groupings that exist in my dataset,
and if so, which of these patterns could be grouped together?"
Similarity
clustering can be further applied in marketing surveys,
where grouping participants according to demographics, income
and other factors, serves to make the target market more
easily segmented and analysable.
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