Consider the following set of frequent 3-itemsets: {1,2,3}, {1,2,4}, {1,2,5}, {1,3,4}, {2,3,4}, {2,3,5}, {3,4,6}. Assume that the only items in the data set are: {1},{2},{3},{4},{5},{6}. All the 1-itemsets are frequent. a. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by candidate generation procedure using the Fk-1 x F1 merging strategy(w/ lexicographical order). b. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by candidate generation procedure in Apriori (Fk-1 × Fk-1 merging strategy). c. Out of the candidate 4-itemsets in (b.), which itemsets survive the candidate pruning step of the Apriori algorithm? For the itemsets that do not survive, note why they did not survive.

Consider the following set of frequent 3-itemsets: {1,2,3}, {1,2,4}, {1,2,5}, {1,3,4}, {2,3,4}, {2,3,5}, {3,4,6}. Assume that the only items in the data set are: {1},{2},{3},{4},{5},{6}. All the 1-itemsets are frequent. a. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by candidate generation procedure using the Fk-1 x F1 merging strategy(w/ lexicographical order). b. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by candidate generation procedure in Apriori (Fk-1 × Fk-1 merging strategy). c. Out of the candidate 4-itemsets in (b.), which itemsets survive the candidate pruning step of the Apriori algorithm? For the itemsets that do not survive, note why they did not survive.

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Need help finding candidate itemsets "Aprirori Algorithm" .

Consider the following set of frequent 3-itemsets:
{1,2,3}, {1,2,4}, {1,2,5}, {1,3,4}, {2,3,4}, {2,3,5}, {3,4,6}.
Assume that the only items in the data set are: {1},{2},{3},{4},(5),{6). All the 1-itemsets are frequent.
a. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by
candidate generation procedure using the Fk-1 x F1 merging strategy(w/ lexicographical order).
b. List all candidate 4-itemsets (and the corresponding itemsets that were merged) obtained by
candidate generation procedure in Apriori (Fk-1 × Fk-1 merging strategy).
c. Out of the candidate 4-itemsets in (b.), which itemsets survive the candidate pruning step of the
Apriori algorithm? For the itemsets that do not survive, note why they did not survive.

Process or set of rules that allow for the solving of specific, well-defined computational problems through a specific series of commands. This topic is fundamental in computer science, especially with regard to artificial intelligence, databases, graphics, networking, operating systems, and security.

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