Consider the following portion of data consisting of 41 transactions. Read the data file using the readtransactions function and perform the following tasks.

a. Produce an item frequency plot and frequency table. Which item is the least frequent item? 

b. Generate association rules with a minimum support of 0.25 and minimum confidence of 0.7. Sort the rules by lift ratio. Report and interpret the lift ratio for the top rule. 

c. Generate a scatterplot comparing the rules obtained in part b.  

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Transaction Transaction : 1 2 Transaction 41 a, b, c, e, f a, b, c, d, e I a, b, c, e, f, g