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What does the ‘pch’ option to par() control?

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in R Programming by (39.3k points)
What does the ‘pch’ option to par() control?

(a) the size of the plotting symbol in a scatterplot

(b) the line width in the base graphics system

(c) the orientation of the axis labels on the plot

(d) the plotting symbol/character in the base graphics system

This question was addressed to me during an online exam.

My doubt stems from Exploratory Data Analysis topic in chapter Profiling, Simulation and Data Analysis of R Programming

1 Answer

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Best answer
Correct answer is (d) the plotting symbol/character in the base graphics system

Easiest explanation: R makes it easy to combine multiple plots into one overall graph, using either the par ( ) or layout( ) function.

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