9. Suppose a data cube, C, has D dimensions, and the base cuboid contains k distinct tuples. (a) Present a formula to calculate the minimum number of cells that the cube, C, may contain. (b) Present a formula to calculate the maximum number of cells that C may contain. (c) Answer parts (a), (b) as if the count in each cube cell must be no less than a threshold, v. (d) Answer parts la) and (b) as if only closed cells are considered (with the minimum count threshold, v).
9. Suppose a data cube, C, has D dimensions, and the base cuboid contains k distinct tuples. (a) Present a formula to calculate the minimum number of cells that the cube, C, may contain. (b) Present a formula to calculate the maximum number of cells that C may contain. (c) Answer parts (a), (b) as if the count in each cube cell must be no less than a threshold, v. (d) Answer parts la) and (b) as if only closed cells are considered (with the minimum count threshold, v).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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