Make the script in R Multiply the fractional numbers by 100. Round the result to one decimal place. You can use the round() function to do this. Paste a percentage sign after the rounded number. The paste() function is at your service to fulfill this task. Print the result. The print() function will do this. Click to see full answer. Furthermore, how do functions work in R? R Functions Here, we can see that the reserved word function is used to declare a function in R. The statements within the curly braces form the body of the function. These braces are optional if the body contains only a single expression. Finally, this function object is given a name by assigning it to a variable, func_name . Subsequently, question is, what is the use of with () and by () function in R? Definition of with & within: The with function evaluates an R expression in an environment constructed based on a data frame. The within function evaluates an R expression in an environment constructed based on a data frame AND modifies the original data. Also to know, how do you create a function? To create a function we can use a function declaration. The function keyword goes first, then goes the name of the function, then a list of parameters between the parentheses (comma-separated, empty in the example above) and finally the code of the function, also named “the function body”, between curly braces.What are R functions?In R, a function is an object so the R interpreter is able to pass control to the function, along with arguments that may be necessary for the function to accomplish the actions. The function in turn performs its task and returns control to the interpreter as well as any result which may be stored in other objects.