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Exercise

Plot number of possible baskets

In this exercise, you will visually see how quickly the number of possible baskets grows as a function of the itemset size. This will illustrate one of the main challenges in Market Basket Analysis which is the large number of possible ways of creating a basket. You will be using here the stat_function(); this function allows you to specify within your ggplot() call which function you would like to plot by specifying the argument fun.

Instructions 1/3
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  • 1
    • For a fixed set of 10 items, plot the number of possible baskets of size k as a function of k.
    • 2
      • Plot the number of possible baskets of size k as a function of k for a given set of 50 items.
    • 3
      • Plot the number of possible baskets of size k as a function of k for a given set of 100 items.
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