How many atomic vector types does R have?

Which of the following will be called inside par() to set margins 

______ finds the position of a quantile in a dataset.

Which of the following tests each element of x for membership in y?

________ level plotting functions that add elements to an existing plot. 

Which command removes all the variables from the workspace?

Which R function is used for outputting a textual representation of an R object?

What would be the value of the following expression in R?

log(-1)


What plot(s) are commonly used to visualize and analyze linear regression?

Which of the function can be used to add datasets in R provided with the columns in the datasets should be the same.?