(R Example for Citizen Data Scientist & Business Analyst)
Find Sum, Mean and Product of Vector in R Programming
In this example, you will learn to find sum, mean and product of vector elements using built-in functions.
sum()
function.Similarly, mean()
and prod()
functions can be used to find the mean and product of the terms.
Example: Vector Elements Arithmetic
> sum(2,7,5)
[1] 14
> x
[1] 2 NA 3 1 4
> sum(x) # if any element is NA or NaN, result is NA or NaN
[1] NA
> sum(x, na.rm=TRUE) # this way we can ignore NA and NaN values
[1] 10
> mean(x, na.rm=TRUE)
[1] 2.5
> prod(x, na.rm=TRUE)
[1] 24
Whenever a vector contains NA
(Not Available) or NaN
(Not a Number), functions such as sum()
, mean()
, prod()
etc. produce NA
or NaN
respectively.
In order to ignore such values, we pass in the argument na.rm = TRUE
.
R Examples for Beginners – Find Sum, Mean and Product of Vector in R Programming
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