We get TRUE – we've got a tibble! This means that when we use the [ operator, we get a tibble as a result. When we want just one column (a vector) from our data, use $ or [[ to extract it. This is very important! Problems happen when we forget the format of the data we are currently working with.

In the next section, we'll learn other ways of subsetting columns from data. But now, let's have a quick summary.