Transforming data into transactions

Before using any rule mining algorithm, we need to transform data from the data frame format into transactions. In this example, we demonstrate how to transform a purchase order dataset into transactions with the arules package.

Getting ready

Download the purchase_order.RData dataset from the https://github.com/ywchiu/rcookbook/raw/master/chapter9/product_by_user.RData GitHub link.

How to do it…

Perform the following steps to create transactions:

  1. First, install and load the arules package:
    > install.packages("arules")
> library(arules)
  2. Use the load function to load purchase orders by user into an R session:
    > load("product_by_user.RData")
  3. Last, convert the data.table (or data.frame) into transactions with the as ...

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