Using Exhibit 3-5 as a guide, what are three data approaches associated with the unsupervised approach?

Exhibit 3-5

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Casual modellng (Event Influences other) Classification Identify your question (Whether or not) Yes Yes Do you have too much Yes Supervised Method (Tralning data exist) Are you predicting an Data reduction Do you have Regression (How much?) (Aggregate data) data? No lots of money? No event or class? No Yes Identify obvlous groups? Can you Simllarity matching (Natural grouping) Are you looking for Clustering Are you trylng to rank your data? Unsupervised No No (Undiscovered Method common (Exploratory) groups) No events? Yes Are you looking for hidden Yes Yes Link prediction (Social networks) links? Profiling (Typlcal behavlor) Co-occurrence grouplng (Events that happen together) No Do you have a specific Yes target in mind? No