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Data are values of qualitative or quantitative variables, belonging to a set of items. Data in computing (or data processing) are represented in a structure, often tabular (represented by rows and columns), a tree (a set of nodes with parent-children relationship) or a graph structure (a set of interconnected nodes).

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How about this. You have a series of data points as [x,y,t] triples - where and when. Lots of the (x,y) points will be close to each other. If they are, it generally means that the user's at a … for info on how to group x-y data into trees. Complete Linkage Clustering might be a good choice. The low points on the tree are closer to street addresses; the higher points cluster by neighbourhoods …
answered May 15 '16 by user62575