Consider the following data that show a portion of the sales transactions from a local fast-food restaurant. Each binary variable indicates whether or not a product is purchased as part of the sales transaction.

a. Using the first five sales transactions, compute the matching coefficients for all pairwise observations for the three binary variables.
b. Using the first five sales transactions, compute Jaccard’s coefficients for all pairwise observations for the three binary variables.
c. Based on the results from parts a and b, identify and describe the transactions that are most and least similar to each other. Discuss the difference between the results from parts a and b.

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Transaction 1 2 ⠀ 238 Hamburgers 0 1 ⠀ 0 Fries 1 1 ⠀ 1 Soda 0 0 ⠀ 1