find the variance of all elements in an array in r

To find the variance of all elements in an array in R, you can use the var() function. This function calculates the variance of a data set in R.

Here's how to use var() to find the variance of all elements in an array:

main.r
# Create an array
my_array <- array(1:12, dim = c(2, 2, 3))

# Calculate the variance of all elements in the array
array_var <- var(my_array)

# Print the variance of all elements in the array
print(array_var)
210 chars
9 lines

Output:

main.r
[1] 11.91667
13 chars
2 lines

This returns a single value that represents the variance of all elements in the array.