Question: Consider the problem of finding large itemsets. a. Describe how to find the support for a given collection of itemsets by using a single scan

Consider the problem of finding large itemsets.

a. Describe how to find the support for a given collection of itemsets by using a single scan of the data. Assume that the itemsets and associated information, such as counts, will fit in memory.

b. Suppose an itemset has support less than j. Show that no superset of this itemset can have support greater than or equal to j.

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a Let S1 S2 Sn be the collection of itemsets forwhich we want to find the supportAssociate a counter ... View full answer

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