Question

Point out the wrong statement?

(a) is.rel reports whether x is a theme object

(b) is.theme reports whether x is a theme object

(c) opts build a theme (or partial theme) from theme elements

(d) theme_bw is theme with grey background and white gridlines

The question was asked in an interview for internship.

My doubt stems from ggplot2 topic in section Profiling, Simulation and Data Analysis of R Programming

Answer 1

The correct option is (a) is.rel reports whether x is a theme object

Explanation: is.rel reports whether x is a real object.