Question

Which of the following will add the title “R language” to the graph?

(a) titleAdd( “R language”)

(b) title( “R language”)

(c) titleBar( “R language”)

(d) var(x, na.rm=TRUE)

This question was posed to me during an online interview.

This key question is from Commands topic in portion Commands, Packages, Visualizing Data and Linear Regression of R Programming

Answer 1

Right option is (b) title( “R language”)

The explanation is: This function can be used to add labels to a plot.