Important Characteristics of Structured Data a Dimensionality Curse of dimensionality a sparsity Only presence counts Resolution Patterns depend on the scale a distribution Centrality and dispersion4 Important Characteristics of Structured Data ◼ Dimensionality ◼ Curse of dimensionality ◼ Sparsity ◼ Only presence counts ◼ Resolution ◼ Patterns depend on the scale ◼ Distribution ◼ Centrality and dispersion