How to add 2 numbers in R?
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How to add 2 numbers in R?

How to add 2 numbers in R?

This recipe helps you add 2 numbers in R

Recipe Objective

How to add two numbers in R? The addition of two numbers is an arithmetic operation of adding the two numbers and storing the output in a vector. The input values can be pre-defined or can be user-defined. The addition operation can be done on a single number or a list of input values. sum () is the function used for performing the operation. This recipe performs the addition of two numbers using the + as well as the sum () function..

Step 1- Create 2 input vectors

x <- 10 y <- 20

Step 2- Add the vectors

Add the two input vectors and store the output value in a third vector

z <- x+y print(paste("Addition of two numbers is:",z))
"Output of the code is : Addition of two numbers is"  : 30 

Step 3- User defined input vectors

Addition of two numbers can also be done , with user defined values using the following syntax

a <- readline(prompt="enter the first input value : ") b <- readline(prompt="enter the second input value : ")
"Output of the line is": 
enter the first input value : 10
enter the second input value : 20

The user defined input values are character type , they are converted into integer type for performing the addition operation

a <- as.integer(a) b <- as.integer(b)

Step 4 - Add two user defined vectors

Adding two user defined input vectors and storing the output in a third vector

c <- a + b print(paste("Addition of user defined two numbers is:",c))
"Output of the code is : Addition of two numbers is" : 30 

Step 5- Using built in function sum()

x <- c(10,20) print(paste("Addition of two numbers is :",sum(x)))
"Output of the code is : Addition of two numbers is" : 30

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