Some things you already know how to do: I’ve discussed the use of nchar() to calculate the number of characters in a string (Section 3.8.1), and a lot of the general purpose tools that I’ve discussed ...Some things you already know how to do: I’ve discussed the use of nchar() to calculate the number of characters in a string (Section 3.8.1), and a lot of the general purpose tools that I’ve discussed elsewhere (e.g., the == operator) have been applied to text data as well as to numeric data.
