Now that you can access large ready-to-go data sets, you will want to evaluate them in various ways. The following interactive cell helps you calculate the measures presented in this section as well as a few measures we will investigate in the next section. Note that an R cell only routinely outputs the final command. If you want to output any of the intermediate values, use the print() command as shown below. Also, to make things easier to enter, let’s just go ahead and give the formal data set name a smaller local identifier x.