R String formatting

String formatting in R is done via the sprintf function. An easy example of code that prepares a string using a variable value is provided below:

Output

[1] "John is 35 years old and 1.80 meters tall."

In this example, we format a string with two decimal places using the%d format specifier for the integer value x and the%.2f format specifier for the floating-point value y. The prepared string is saved in the variable result before being written to the console using the print function. You should see the output when you run this code. The solution is 42, and pi is 3.14, which is the formatted string with x and y values substituted for the format specifiers.

Strings are a bunch of character variables. It is a one-dimensional array of characters. One or more characters enclosed in a pair of matching single or double quotes can be considered a string in R. Strings in R Programming represent textual content and can contain numbers, spaces, and special characters. An empty string is represented by using “. R Strings are always stored as double-quoted values. A double-quoted string can contain single quotes within it. Single-quoted strings can’t contain single quotes. Similarly, double quotes can’t be surrounded by double quotes.