A transaction database contains ten transactions shown below and minimum_support = 30%. Using A-priori, find all frequent itemsets that contain item i. How many frequent itemsets that contain i do we have? %3D

A transaction database contains ten transactions shown below and minimum_support = 30%. Using A-priori, find all frequent itemsets that contain item i. How many frequent itemsets that contain i do we have? %3D

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

A transaction database contains ten transactions shown below
and minimum_support = 30%. Using A-priori, find all frequent itemsets that contain
item i. How many frequent itemsets that contain i do we have?
TID
Items bought
{ s, u, s, a, n}
{ s, a, r, a}
{ s, a, m}
1
2
3
{r, i, c, h, a, r, d}
{e,r, i, c}
{n, i, c, k}
{p, a, t, r, i, c, k}
{e, m, i, 1, y}
{c,h, a, r, l, e, s}
6.
7
8
9.
10
[lidal

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