Question

Which of the following truncates real x to integers?

(a) as.order(x)

(b) as.integer(x)

(c) as.numeric(x)

(d) as.character(x)

I have been asked this question in an interview for internship.

The origin of the question is Commands topic in chapter Commands, Packages, Visualizing Data and Linear Regression of R Programming

Answer 1

Correct option is (b) as.integer(x)

To elaborate: as.integer for object of class truncates decimal part of image values and then converts to type integer.