Once we've established that our data includes product identifiers (numbers and names), a transactional quantity, a sales date, a return date, sales region information, and so on, we will want to do some explorations (analysis) of the components found in the data. Perhaps, we can start this effort by establishing the total number of records in our file, using the R command nrow, then list the unique part or product numbers present within our data, using the R commands list and unique, as shown in the following code and partial output:
Further data analysis tasks would include examining each of the components found in the data, ...
