What are the support values of the preceding itemsets

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Reference no: EM132184153

A local retailer has a database that stores 10,000 transactions of last summer. After analyzing the data, a data science team has identified the following statistics:

  • {battery} appears in 4,000 transactions.
  • {sunscreen} appears in 3,000 transactions.
  • {sandals} appears in 4,000 transactions.
  • {bowls} appears in 1,000 transactions.
  • {battery, sunscreen} appears in 1,500 transactions.
  • {battery, sandals} appears in 1,000 transactions.
  • {battery, bowls} appears in 1250 transactions.
  • {battery, sunscreen, sandals} appears in 600 transactions.

Answer the following questions:

a. What are the support values of the preceding itemsets?

b. Assuming the minimum support is 0.05, which itemsets are considered frequent?

c. What are the confidence values of {battery}->{ sunscreen} and {battery, sunscreen}->{ sandals} ?

d. Which of the two rules is more interesting?

Reference no: EM132184153

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