The **`nchar()`** function in R is used to calculate the size of a string. 

The illustration below shows the mathematical representation of the `nchar()` function.

# 
## Syntax
```r
nchar(string)
```
## Parameter
The `nchar()` function requires a `string` as a parameter.

## Return value
This function returns the size of a `string`.
## Code

a <- nchar("hello");
print(paste0("nchar('hello): ", a))

b <- nchar("educative");
print(paste0("nchar('educative): ", b))

How to calculate the size of a string using nchar() in R

The nchar() function in R calculates string size, requiring a string parameter and returning its length.