You now know a lot about your data, but you still think that you are not seeing it face to face. Fortunately, R comes with three functions able to satisfy even this desire: head, tail, and View. The first two of them are conceived to show you within the console the first and the last n rows of your data, while the third one produces a spreadsheet-like visualization of all of your data frames, which will open in a separate window. Within head and tail, the default number of rows to be shown is equal to five, but you can tune this using the n argument.

As you may be already guessing, to apply the head and tail functions you just have to run them on your object, for instance:

head(customer_list)

This will result in:

 customer_code     commercial_portfolio     business_unit
 1  1              less affluent            retail_bank
 2 2               less affluent            retail_bank
 3 3               less affluent            retail_bank
 4 4               less affluent            retail_bank
 5 5               less affluent            retail_bank
 6 6               less affluent            retail_bank

Running View() on them (be aware of the capital V) will create the following window, or a similar one if not employing RStudio:

Try to apply those three functions to your data before skipping to the next paragraph. This will let you get a good understanding of what the content of the three tables is, helping you to answer the questions we are soon going to face.