65 lines
1.6 KiB
R
65 lines
1.6 KiB
R
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# Basic Function Definition
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# -------------------------
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# A simple function that adds two numbers
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add_numbers <- function(x, y) {
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sum <- x + y
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return(sum)
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}
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# Using the function
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result <- add_numbers(5, 3)
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print(paste("Sum:", result))
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# Function with Default Parameters
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# --------------------------------
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# A function with default values for parameters
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multiply_numbers <- function(x, y = 2) {
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product <- x * y
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return(product)
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}
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# Using the function with default parameter
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default_product <- multiply_numbers(4)
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print(paste("Default Product:", default_product))
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# Using the function by specifying both parameters
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specified_product <- multiply_numbers(4, 3)
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print(paste("Specified Product:", specified_product))
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# Returning Multiple Values
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# -------------------------
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# A function that returns multiple values using a list
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operate_numbers <- function(a, b) {
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sum <- a + b
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diff <- a - b
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prod <- a * b
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return(list(sum = sum, difference = diff, product = prod))
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}
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# Using the function
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results <- operate_numbers(10, 5)
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print("Operations Result:")
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print(results)
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# Variable Scope
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# --------------
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# A function to demonstrate variable scope
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outer_function <- function() {
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internal_var <- 20
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inner_function <- function() {
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print(paste("Accessing internal_var inside inner_function:", internal_var))
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}
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inner_function()
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return(internal_var)
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}
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# Using the function
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outer_result <- outer_function()
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print(paste("Returned from outer_function:", outer_result))
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# Anonymous Functions
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# -------------------
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# Using an anonymous function (a function without a name)
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squared_numbers <- sapply(1:5, function(x) x^2)
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print("Squared Numbers:")
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print(squared_numbers)
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