______ gives the list as an output

Which of the following is the plotting character in R?

a <- c (23, -30, 40, 400, -20). For this a[3] will give

____   argument denotes the file has a header line.

The profiler can be turned off by passing _____ to Rprof().

The _____ function creates a vector of repeated values.

Which of the following provides optional labels with the columns and rows?

Which of the following is a distribution derived from the normal distribution? 

The attributes of an R object (if any) can be accessed using the ______ function.

Which of the following statements about character vectors in R is correct?