Examine at least four different R functions. For each function, describe what it does and give an example code with an output.
R Software Description R is an integrated software, and it consists of many packages. Within each package, there are functions that allow us to perform different tasks. For instance, the function is.na(x) gives a logical vector with value TRUE if x contains the element NA. An example code with output would be: > data<-c(1,2,NA,4) > […]