R has _____ number of Data Types.

How many main types of data structures does the R programming language have?

Which of the following will be used in fancy plots? 

Which function lists the names of variables in a data.frame?

The entities that R creates and manipulates are known as ________

How are missing values and impossible values represented in the R language?

The associated R function dweibull(x, shape, scale = 1) is for which distribution?

Which of the following code will drop the nth column?

Pick the output of the code.

> y <- "fruit"
> switch(y, fruit = "banana", vegetable = "brinjal", "Neither")

Which of the following statements about tidy data is correct?