Give the output of the following.

 

> x <- vector("list", length = 5)
> x

Which function can be used to select specific columns of a data frame?

_______ compute analysis of variance table for the fitted model

Which R function gives the length and height of the current figure in inches?

 By which operator columns can be arranged in descending order?

What would be the output of the following code?

> x <- 1:4

> x > 2

Which of the following is used to analyze paleontological time-series?

Which of the following parameters influences the spread of the distribution about its median?

The R function dlnorm(x, meanlog = 0, sdlog = 1) is used for the ________ distribution.

In the base graphics system, which function is used to add elements to a plot?