What would be the output of the following code ?x - c("a", "b", "c", "c", "d", "a") x[c(1, 3, 4)]
What would be the output of the following code ?m - matrix(nrow = 2, ncol = 3)dim(m)
Which of the following statement changes column name to h and f
If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command
Which of the following is primary tool for debugging
Which of the following statement will save the output to the file for following code ?a - data.frame(x = rnorm(100), y = runif(100)) b - c(3, 4.4, 1 / 3)
The __________ function returns a list of all the formal arguments of a function
Functions are defined using the _________ directive and are stored as R objects