There are many built-in functions in R which we use in different situations. But we may be fall in some situation when we may need to write our own customized function in R. Writing user defined function is not only required in different general programming languages but also required in different data analytics programming language or environment. If you want to be a good data scientist you have know how to write function in R. Here I will show you some basic to real life example of writing some function in R. Hope you will enjoy my example and you will be confident about function in R.
#defining the function
function_read_number <- function()
r <- readline(prompt="Please, input a number:");
#input a number through the above function
n <- as.integer(function_read_number());
#after executing the above code run the below code to display the number
print(paste("You have entered:", n));
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