Point out the correct statement?(a) update_element update contents of a theme(b) Use theme_update_element to modify a small number of elements of the current theme or use theme_set to completely override it(c) theme_bw is theme with grey background and white gridlines(d) is.rel reports whether x is a theme objectI had been asked this question in examination.My doubt is from ggplot2 in section Profiling, Simulation and Data Analysis of R Programming

Point out the correct statement?(a) update_element update contents of

1.	Point out the correct statement?(a) update_element update contents of a theme(b) Use theme_update_element to modify a small number of elements of the current theme or use theme_set to completely override it(c) theme_bw is theme with grey background and white gridlines(d) is.rel reports whether x is a theme objectI had been asked this question in examination.My doubt is from ggplot2 in section Profiling, Simulation and Data Analysis of R Programming
Answer» Right option is (a) update_element update contents of a theme To explain: update_element FUNCTION is deprecated. Use %+REPLACE% or +.GG INSTEAD.

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