31. 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 . . . . . . . .
32. Point out the wrong statement?
33. Which of the following will start the R program?
34. What will be the output of the following R function?
nchar()
nchar()35. What is the meaning of the following R function?
print( sqrt(2) )
print( sqrt(2) )36. What is the function to set row names for a data frame?
37. R is mostly used in . . . . . . . .
38. What will be the output of the following R function?
ab <- list(1, 2, 3, "X", "Y", "Z")
dim(ab) <- c(3,2)
print(ab)
ab <- list(1, 2, 3, "X", "Y", "Z")
dim(ab) <- c(3,2)
print(ab)39. Point out the wrong statement?
40. . . . . . . . . programming language is a dialect of S.
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