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________ is used for relative sizing of theme elements. (a) rel (b) size (c) relative (d) timrinterval This question was addressed to me in an online quiz. Query is from ggplot2 topic in division Profiling, Simulation and Data Analysis of R Programming Select the correct answer from above options

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The correct answer is (a) rel Best explanation: The syntax for rel is rel(X) where x is a number representing the relative size.

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