Finding the length of string in R programming – nchar() method
nchar() method in R Programming Language is used to get the length of a character in a string object.
Where: String is object.
Return: Returns the length of a string.
R – length of string using nchar() Example
Example 1: Find the length of the string in R
In this example, we are going to see how to get the length of a string object using nchar() method.
Example 2: Use nchar for R Vector
In this example, we will get the length of the vector using nchar() method.
'character' 5 1 5 2
Example 3: Passing NA values to the nchar() function
The nchar() function provides an optional argument called keepNA, it can help when dealing with NA values.
1 5 2
In the above example, the first element is NULL then it returns nothing and the last element NA returns 2 because we keep keepNA = FALSE. If we pass keepNA = TRUE, then see the following output:
0 5 <NA>